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Finding the Fourth Proportional to 8,962.92, 12,363.69 and 7,441.87

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Solution

The fourth proportional to 8,962.92, 12,363.69 and 7,441.87 is: 10,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.92 : 12,363.69 = 7,441.87 : x
  2. Step 2: Convert to fraction form
    8,962.92/12,363.69 = 7,441.87/x
  3. Step 3: Cross multiply
    8,962.92x = 12,363.69 × 7,441.87
  4. Step 4: Simplify right side
    8,962.92x = 92,008,973.70
  5. Step 5: Solve for x
    x = 92,008,973.70/8,962.92
  6. Step 6: Final answer
    x = 10,265.51

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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.