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Finding the Fourth Proportional to 62,203.43, 85,853.05 and 39,569.20

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Solution

The fourth proportional to 62,203.43, 85,853.05 and 39,569.20 is: 54,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,203.43 : 85,853.05 = 39,569.20 : x
  2. Step 2: Convert to fraction form
    62,203.43/85,853.05 = 39,569.20/x
  3. Step 3: Cross multiply
    62,203.43x = 85,853.05 × 39,569.20
  4. Step 4: Simplify right side
    62,203.43x = 3,397,136,192.50
  5. Step 5: Solve for x
    x = 3,397,136,192.50/62,203.43
  6. Step 6: Final answer
    x = 54,613.32

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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.