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Finding the Fourth Proportional to 8,887.46, 12,265.42 and 4,908.92

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Solution

The fourth proportional to 8,887.46, 12,265.42 and 4,908.92 is: 6,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.46 : 12,265.42 = 4,908.92 : x
  2. Step 2: Convert to fraction form
    8,887.46/12,265.42 = 4,908.92/x
  3. Step 3: Cross multiply
    8,887.46x = 12,265.42 × 4,908.92
  4. Step 4: Simplify right side
    8,887.46x = 60,209,965.55
  5. Step 5: Solve for x
    x = 60,209,965.55/8,887.46
  6. Step 6: Final answer
    x = 6,774.71

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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.