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Finding the Fourth Proportional to 6,591.64, 9,872.84 and 4,737.20

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Solution

The fourth proportional to 6,591.64, 9,872.84 and 4,737.20 is: 7,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.64 : 9,872.84 = 4,737.20 : x
  2. Step 2: Convert to fraction form
    6,591.64/9,872.84 = 4,737.20/x
  3. Step 3: Cross multiply
    6,591.64x = 9,872.84 × 4,737.20
  4. Step 4: Simplify right side
    6,591.64x = 46,769,617.65
  5. Step 5: Solve for x
    x = 46,769,617.65/6,591.64
  6. Step 6: Final answer
    x = 7,095.29

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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.