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Finding the Fourth Proportional to 6,242.34, 8,614.14 and 3,587.88

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Solution

The fourth proportional to 6,242.34, 8,614.14 and 3,587.88 is: 4,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.34 : 8,614.14 = 3,587.88 : x
  2. Step 2: Convert to fraction form
    6,242.34/8,614.14 = 3,587.88/x
  3. Step 3: Cross multiply
    6,242.34x = 8,614.14 × 3,587.88
  4. Step 4: Simplify right side
    6,242.34x = 30,906,500.62
  5. Step 5: Solve for x
    x = 30,906,500.62/6,242.34
  6. Step 6: Final answer
    x = 4,951.11

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1.5x scale

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.