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Finding the Fourth Proportional to 8,788.38, 12,141.14 and 5,770.67

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Solution

The fourth proportional to 8,788.38, 12,141.14 and 5,770.67 is: 7,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.38 : 12,141.14 = 5,770.67 : x
  2. Step 2: Convert to fraction form
    8,788.38/12,141.14 = 5,770.67/x
  3. Step 3: Cross multiply
    8,788.38x = 12,141.14 × 5,770.67
  4. Step 4: Simplify right side
    8,788.38x = 70,062,422.80
  5. Step 5: Solve for x
    x = 70,062,422.80/8,788.38
  6. Step 6: Final answer
    x = 7,972.17

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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.