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Finding the Fourth Proportional to 16,375.70, 24,565.09 and 4,528.99

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Solution

The fourth proportional to 16,375.70, 24,565.09 and 4,528.99 is: 6,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.70 : 24,565.09 = 4,528.99 : x
  2. Step 2: Convert to fraction form
    16,375.70/24,565.09 = 4,528.99/x
  3. Step 3: Cross multiply
    16,375.70x = 24,565.09 × 4,528.99
  4. Step 4: Simplify right side
    16,375.70x = 111,254,974.22
  5. Step 5: Solve for x
    x = 111,254,974.22/16,375.70
  6. Step 6: Final answer
    x = 6,793.91

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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.