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Finding the Fourth Proportional to 62,706.38, 86,534.80 and 34,412.07

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Solution

The fourth proportional to 62,706.38, 86,534.80 and 34,412.07 is: 47,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.38 : 86,534.80 = 34,412.07 : x
  2. Step 2: Convert to fraction form
    62,706.38/86,534.80 = 34,412.07/x
  3. Step 3: Cross multiply
    62,706.38x = 86,534.80 × 34,412.07
  4. Step 4: Simplify right side
    62,706.38x = 2,977,841,162.36
  5. Step 5: Solve for x
    x = 2,977,841,162.36/62,706.38
  6. Step 6: Final answer
    x = 47,488.65

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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.