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Finding the Fourth Proportional to 4,394, 6,063.72 and 2,531

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Solution

The fourth proportional to 4,394, 6,063.72 and 2,531 is: 3,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394 : 6,063.72 = 2,531 : x
  2. Step 2: Convert to fraction form
    4,394/6,063.72 = 2,531/x
  3. Step 3: Cross multiply
    4,394x = 6,063.72 × 2,531
  4. Step 4: Simplify right side
    4,394x = 15,347,275.32
  5. Step 5: Solve for x
    x = 15,347,275.32/4,394
  6. Step 6: Final answer
    x = 3,492.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.