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Finding the Fourth Proportional to 9,913.75, 14,872.89 and 4,367.52

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Solution

The fourth proportional to 9,913.75, 14,872.89 and 4,367.52 is: 6,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.75 : 14,872.89 = 4,367.52 : x
  2. Step 2: Convert to fraction form
    9,913.75/14,872.89 = 4,367.52/x
  3. Step 3: Cross multiply
    9,913.75x = 14,872.89 × 4,367.52
  4. Step 4: Simplify right side
    9,913.75x = 64,957,644.53
  5. Step 5: Solve for x
    x = 64,957,644.53/9,913.75
  6. Step 6: Final answer
    x = 6,552.28

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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.