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Finding the Fourth Proportional to 9,324.70, 12,861.72 and 5,966.08

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Solution

The fourth proportional to 9,324.70, 12,861.72 and 5,966.08 is: 8,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.70 : 12,861.72 = 5,966.08 : x
  2. Step 2: Convert to fraction form
    9,324.70/12,861.72 = 5,966.08/x
  3. Step 3: Cross multiply
    9,324.70x = 12,861.72 × 5,966.08
  4. Step 4: Simplify right side
    9,324.70x = 76,734,050.46
  5. Step 5: Solve for x
    x = 76,734,050.46/9,324.70
  6. Step 6: Final answer
    x = 8,229.12

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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.