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Finding the Fourth Proportional to 29,508.71, 40,722.98 and 16,080.39

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Solution

The fourth proportional to 29,508.71, 40,722.98 and 16,080.39 is: 22,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.71 : 40,722.98 = 16,080.39 : x
  2. Step 2: Convert to fraction form
    29,508.71/40,722.98 = 16,080.39/x
  3. Step 3: Cross multiply
    29,508.71x = 40,722.98 × 16,080.39
  4. Step 4: Simplify right side
    29,508.71x = 654,841,319.96
  5. Step 5: Solve for x
    x = 654,841,319.96/29,508.71
  6. Step 6: Final answer
    x = 22,191.46

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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.