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Finding the Fourth Proportional to 16,643.04, 24,951.20 and 9,615

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Solution

The fourth proportional to 16,643.04, 24,951.20 and 9,615 is: 14,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.04 : 24,951.20 = 9,615 : x
  2. Step 2: Convert to fraction form
    16,643.04/24,951.20 = 9,615/x
  3. Step 3: Cross multiply
    16,643.04x = 24,951.20 × 9,615
  4. Step 4: Simplify right side
    16,643.04x = 239,905,788
  5. Step 5: Solve for x
    x = 239,905,788/16,643.04
  6. Step 6: Final answer
    x = 14,414.78

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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.