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Finding the Fourth Proportional to 8,877.75, 12,251.30 and 6,524.30

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Solution

The fourth proportional to 8,877.75, 12,251.30 and 6,524.30 is: 9,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.75 : 12,251.30 = 6,524.30 : x
  2. Step 2: Convert to fraction form
    8,877.75/12,251.30 = 6,524.30/x
  3. Step 3: Cross multiply
    8,877.75x = 12,251.30 × 6,524.30
  4. Step 4: Simplify right side
    8,877.75x = 79,931,062.71
  5. Step 5: Solve for x
    x = 79,931,062.71/8,877.75
  6. Step 6: Final answer
    x = 9,003.53

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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.