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Finding the Fourth Proportional to 61,400.92, 84,743.46 and 38,752.26

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Solution

The fourth proportional to 61,400.92, 84,743.46 and 38,752.26 is: 53,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.92 : 84,743.46 = 38,752.26 : x
  2. Step 2: Convert to fraction form
    61,400.92/84,743.46 = 38,752.26/x
  3. Step 3: Cross multiply
    61,400.92x = 84,743.46 × 38,752.26
  4. Step 4: Simplify right side
    61,400.92x = 3,284,000,595.22
  5. Step 5: Solve for x
    x = 3,284,000,595.22/61,400.92
  6. Step 6: Final answer
    x = 53,484.55

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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.