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Finding the Fourth Proportional to 62,143.41, 85,755.27 and 35,287.41

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Solution

The fourth proportional to 62,143.41, 85,755.27 and 35,287.41 is: 48,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.41 : 85,755.27 = 35,287.41 : x
  2. Step 2: Convert to fraction form
    62,143.41/85,755.27 = 35,287.41/x
  3. Step 3: Cross multiply
    62,143.41x = 85,755.27 × 35,287.41
  4. Step 4: Simplify right side
    62,143.41x = 3,026,081,372.15
  5. Step 5: Solve for x
    x = 3,026,081,372.15/62,143.41
  6. Step 6: Final answer
    x = 48,695.13

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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.