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Finding the Fourth Proportional to 29,487.61, 40,691.60 and 16,058.06

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Solution

The fourth proportional to 29,487.61, 40,691.60 and 16,058.06 is: 22,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.61 : 40,691.60 = 16,058.06 : x
  2. Step 2: Convert to fraction form
    29,487.61/40,691.60 = 16,058.06/x
  3. Step 3: Cross multiply
    29,487.61x = 40,691.60 × 16,058.06
  4. Step 4: Simplify right side
    29,487.61x = 653,428,083.36
  5. Step 5: Solve for x
    x = 653,428,083.36/29,487.61
  6. Step 6: Final answer
    x = 22,159.41

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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.