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Finding the Fourth Proportional to 29,542.40, 44,312.88 and 12,007.88

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Solution

The fourth proportional to 29,542.40, 44,312.88 and 12,007.88 is: 18,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,542.40 : 44,312.88 = 12,007.88 : x
  2. Step 2: Convert to fraction form
    29,542.40/44,312.88 = 12,007.88/x
  3. Step 3: Cross multiply
    29,542.40x = 44,312.88 × 12,007.88
  4. Step 4: Simplify right side
    29,542.40x = 532,103,745.49
  5. Step 5: Solve for x
    x = 532,103,745.49/29,542.40
  6. Step 6: Final answer
    x = 18,011.53

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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.