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Finding the Fourth Proportional to 29,508.52, 40,721.23 and 16,079.89

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Solution

The fourth proportional to 29,508.52, 40,721.23 and 16,079.89 is: 22,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.52 : 40,721.23 = 16,079.89 : x
  2. Step 2: Convert to fraction form
    29,508.52/40,721.23 = 16,079.89/x
  3. Step 3: Cross multiply
    29,508.52x = 40,721.23 × 16,079.89
  4. Step 4: Simplify right side
    29,508.52x = 654,792,899.06
  5. Step 5: Solve for x
    x = 654,792,899.06/29,508.52
  6. Step 6: Final answer
    x = 22,189.96

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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.