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Finding the Fourth Proportional to 16,488.19, 22,753.55 and 8,934.35

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Solution

The fourth proportional to 16,488.19, 22,753.55 and 8,934.35 is: 12,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.19 : 22,753.55 = 8,934.35 : x
  2. Step 2: Convert to fraction form
    16,488.19/22,753.55 = 8,934.35/x
  3. Step 3: Cross multiply
    16,488.19x = 22,753.55 × 8,934.35
  4. Step 4: Simplify right side
    16,488.19x = 203,288,134.77
  5. Step 5: Solve for x
    x = 203,288,134.77/16,488.19
  6. Step 6: Final answer
    x = 12,329.32

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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.