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Finding the Fourth Proportional to 8,966.10, 13,446.70 and 3,770.76

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Solution

The fourth proportional to 8,966.10, 13,446.70 and 3,770.76 is: 5,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.10 : 13,446.70 = 3,770.76 : x
  2. Step 2: Convert to fraction form
    8,966.10/13,446.70 = 3,770.76/x
  3. Step 3: Cross multiply
    8,966.10x = 13,446.70 × 3,770.76
  4. Step 4: Simplify right side
    8,966.10x = 50,704,278.49
  5. Step 5: Solve for x
    x = 50,704,278.49/8,966.10
  6. Step 6: Final answer
    x = 5,655.11

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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.