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Finding the Fourth Proportional to 14,801.32, 20,425.52 and 8,086.98

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Solution

The fourth proportional to 14,801.32, 20,425.52 and 8,086.98 is: 11,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.32 : 20,425.52 = 8,086.98 : x
  2. Step 2: Convert to fraction form
    14,801.32/20,425.52 = 8,086.98/x
  3. Step 3: Cross multiply
    14,801.32x = 20,425.52 × 8,086.98
  4. Step 4: Simplify right side
    14,801.32x = 165,180,731.29
  5. Step 5: Solve for x
    x = 165,180,731.29/14,801.32
  6. Step 6: Final answer
    x = 11,159.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.