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Finding the Fourth Proportional to 62,353.87, 86,042.76 and 38,488.23

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Solution

The fourth proportional to 62,353.87, 86,042.76 and 38,488.23 is: 53,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,353.87 : 86,042.76 = 38,488.23 : x
  2. Step 2: Convert to fraction form
    62,353.87/86,042.76 = 38,488.23/x
  3. Step 3: Cross multiply
    62,353.87x = 86,042.76 × 38,488.23
  4. Step 4: Simplify right side
    62,353.87x = 3,311,633,536.71
  5. Step 5: Solve for x
    x = 3,311,633,536.71/62,353.87
  6. Step 6: Final answer
    x = 53,110.31

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Half scale
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Double scale
Find fourth proportional to 62,354.87, 86,044.14 and 38,489.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.