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Finding the Fourth Proportional to 8,770.97, 13,125.17 and 7,027.17

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Solution

The fourth proportional to 8,770.97, 13,125.17 and 7,027.17 is: 10,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.97 : 13,125.17 = 7,027.17 : x
  2. Step 2: Convert to fraction form
    8,770.97/13,125.17 = 7,027.17/x
  3. Step 3: Cross multiply
    8,770.97x = 13,125.17 × 7,027.17
  4. Step 4: Simplify right side
    8,770.97x = 92,232,818.44
  5. Step 5: Solve for x
    x = 92,232,818.44/8,770.97
  6. Step 6: Final answer
    x = 10,515.70

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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.