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Finding the Fourth Proportional to 29,008, 43,515.20 and 9,281.92

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Solution

The fourth proportional to 29,008, 43,515.20 and 9,281.92 is: 13,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008 : 43,515.20 = 9,281.92 : x
  2. Step 2: Convert to fraction form
    29,008/43,515.20 = 9,281.92/x
  3. Step 3: Cross multiply
    29,008x = 43,515.20 × 9,281.92
  4. Step 4: Simplify right side
    29,008x = 403,904,605.18
  5. Step 5: Solve for x
    x = 403,904,605.18/29,008
  6. Step 6: Final answer
    x = 13,923.90

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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.