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Finding the Fourth Proportional to 4,329.88, 6,495.90 and 1,251.88

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Solution

The fourth proportional to 4,329.88, 6,495.90 and 1,251.88 is: 1,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.88 : 6,495.90 = 1,251.88 : x
  2. Step 2: Convert to fraction form
    4,329.88/6,495.90 = 1,251.88/x
  3. Step 3: Cross multiply
    4,329.88x = 6,495.90 × 1,251.88
  4. Step 4: Simplify right side
    4,329.88x = 8,132,087.29
  5. Step 5: Solve for x
    x = 8,132,087.29/4,329.88
  6. Step 6: Final answer
    x = 1,878.13

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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.