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Finding the Fourth Proportional to 15,327.41, 22,978.90 and 14,097.29

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Solution

The fourth proportional to 15,327.41, 22,978.90 and 14,097.29 is: 21,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.41 : 22,978.90 = 14,097.29 : x
  2. Step 2: Convert to fraction form
    15,327.41/22,978.90 = 14,097.29/x
  3. Step 3: Cross multiply
    15,327.41x = 22,978.90 × 14,097.29
  4. Step 4: Simplify right side
    15,327.41x = 323,940,146.69
  5. Step 5: Solve for x
    x = 323,940,146.69/15,327.41
  6. Step 6: Final answer
    x = 21,134.70

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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.