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Finding the Fourth Proportional to 16,932.70, 25,411.20 and 9,529.30

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Solution

The fourth proportional to 16,932.70, 25,411.20 and 9,529.30 is: 14,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,932.70 : 25,411.20 = 9,529.30 : x
  2. Step 2: Convert to fraction form
    16,932.70/25,411.20 = 9,529.30/x
  3. Step 3: Cross multiply
    16,932.70x = 25,411.20 × 9,529.30
  4. Step 4: Simplify right side
    16,932.70x = 242,150,948.16
  5. Step 5: Solve for x
    x = 242,150,948.16/16,932.70
  6. Step 6: Final answer
    x = 14,300.79

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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.