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Finding the Fourth Proportional to 29,374.97, 40,537.49 and 15,946.22

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Solution

The fourth proportional to 29,374.97, 40,537.49 and 15,946.22 is: 22,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.97 : 40,537.49 = 15,946.22 : x
  2. Step 2: Convert to fraction form
    29,374.97/40,537.49 = 15,946.22/x
  3. Step 3: Cross multiply
    29,374.97x = 40,537.49 × 15,946.22
  4. Step 4: Simplify right side
    29,374.97x = 646,419,733.79
  5. Step 5: Solve for x
    x = 646,419,733.79/29,374.97
  6. Step 6: Final answer
    x = 22,005.80

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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.