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Finding the Fourth Proportional to 29,315.52, 43,979.43 and 9,592.53

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Solution

The fourth proportional to 29,315.52, 43,979.43 and 9,592.53 is: 14,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.52 : 43,979.43 = 9,592.53 : x
  2. Step 2: Convert to fraction form
    29,315.52/43,979.43 = 9,592.53/x
  3. Step 3: Cross multiply
    29,315.52x = 43,979.43 × 9,592.53
  4. Step 4: Simplify right side
    29,315.52x = 421,874,001.66
  5. Step 5: Solve for x
    x = 421,874,001.66/29,315.52
  6. Step 6: Final answer
    x = 14,390.81

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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.