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Finding the Fourth Proportional to 8,402.91, 12,593.97 and 7,360.44

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Solution

The fourth proportional to 8,402.91, 12,593.97 and 7,360.44 is: 11,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.91 : 12,593.97 = 7,360.44 : x
  2. Step 2: Convert to fraction form
    8,402.91/12,593.97 = 7,360.44/x
  3. Step 3: Cross multiply
    8,402.91x = 12,593.97 × 7,360.44
  4. Step 4: Simplify right side
    8,402.91x = 92,697,160.55
  5. Step 5: Solve for x
    x = 92,697,160.55/8,402.91
  6. Step 6: Final answer
    x = 11,031.55

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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.