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Finding the Fourth Proportional to 9,874.92, 14,816.52 and 4,325.40

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Solution

The fourth proportional to 9,874.92, 14,816.52 and 4,325.40 is: 6,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.92 : 14,816.52 = 4,325.40 : x
  2. Step 2: Convert to fraction form
    9,874.92/14,816.52 = 4,325.40/x
  3. Step 3: Cross multiply
    9,874.92x = 14,816.52 × 4,325.40
  4. Step 4: Simplify right side
    9,874.92x = 64,087,375.61
  5. Step 5: Solve for x
    x = 64,087,375.61/9,874.92
  6. Step 6: Final answer
    x = 6,489.91

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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.