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Finding the Fourth Proportional to 10,252.52, 15,378.76 and 3,327

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Solution

The fourth proportional to 10,252.52, 15,378.76 and 3,327 is: 4,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.52 : 15,378.76 = 3,327 : x
  2. Step 2: Convert to fraction form
    10,252.52/15,378.76 = 3,327/x
  3. Step 3: Cross multiply
    10,252.52x = 15,378.76 × 3,327
  4. Step 4: Simplify right side
    10,252.52x = 51,165,134.52
  5. Step 5: Solve for x
    x = 51,165,134.52/10,252.52
  6. Step 6: Final answer
    x = 4,990.49

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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.