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Finding the Fourth Proportional to 29,957.16, 44,947.08 and 12,425.52

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Solution

The fourth proportional to 29,957.16, 44,947.08 and 12,425.52 is: 18,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,957.16 : 44,947.08 = 12,425.52 : x
  2. Step 2: Convert to fraction form
    29,957.16/44,947.08 = 12,425.52/x
  3. Step 3: Cross multiply
    29,957.16x = 44,947.08 × 12,425.52
  4. Step 4: Simplify right side
    29,957.16x = 558,490,841.48
  5. Step 5: Solve for x
    x = 558,490,841.48/29,957.16
  6. Step 6: Final answer
    x = 18,642.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.