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Finding the Fourth Proportional to 16,560.72, 22,854.96 and 9,488.88

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Solution

The fourth proportional to 16,560.72, 22,854.96 and 9,488.88 is: 13,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.72 : 22,854.96 = 9,488.88 : x
  2. Step 2: Convert to fraction form
    16,560.72/22,854.96 = 9,488.88/x
  3. Step 3: Cross multiply
    16,560.72x = 22,854.96 × 9,488.88
  4. Step 4: Simplify right side
    16,560.72x = 216,867,972.84
  5. Step 5: Solve for x
    x = 216,867,972.84/16,560.72
  6. Step 6: Final answer
    x = 13,095.32

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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.