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Finding the Fourth Proportional to 29,151.68, 40,229.88 and 16,576.88

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Solution

The fourth proportional to 29,151.68, 40,229.88 and 16,576.88 is: 22,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.68 : 40,229.88 = 16,576.88 : x
  2. Step 2: Convert to fraction form
    29,151.68/40,229.88 = 16,576.88/x
  3. Step 3: Cross multiply
    29,151.68x = 40,229.88 × 16,576.88
  4. Step 4: Simplify right side
    29,151.68x = 666,885,893.17
  5. Step 5: Solve for x
    x = 666,885,893.17/29,151.68
  6. Step 6: Final answer
    x = 22,876.41

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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.