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Finding the Fourth Proportional to 8,755.27, 12,082.27 and 4,776.38

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Solution

The fourth proportional to 8,755.27, 12,082.27 and 4,776.38 is: 6,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.27 : 12,082.27 = 4,776.38 : x
  2. Step 2: Convert to fraction form
    8,755.27/12,082.27 = 4,776.38/x
  3. Step 3: Cross multiply
    8,755.27x = 12,082.27 × 4,776.38
  4. Step 4: Simplify right side
    8,755.27x = 57,709,512.78
  5. Step 5: Solve for x
    x = 57,709,512.78/8,755.27
  6. Step 6: Final answer
    x = 6,591.40

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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.