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Finding the Fourth Proportional to 6,375.64, 9,545.72 and 3,248.91

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Solution

The fourth proportional to 6,375.64, 9,545.72 and 3,248.91 is: 4,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.64 : 9,545.72 = 3,248.91 : x
  2. Step 2: Convert to fraction form
    6,375.64/9,545.72 = 3,248.91/x
  3. Step 3: Cross multiply
    6,375.64x = 9,545.72 × 3,248.91
  4. Step 4: Simplify right side
    6,375.64x = 31,013,145.56
  5. Step 5: Solve for x
    x = 31,013,145.56/6,375.64
  6. Step 6: Final answer
    x = 4,864.32

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1.5x scale

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.