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Finding the Fourth Proportional to 9,553.92, 13,157.16 and 9,350.40

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Solution

The fourth proportional to 9,553.92, 13,157.16 and 9,350.40 is: 12,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.92 : 13,157.16 = 9,350.40 : x
  2. Step 2: Convert to fraction form
    9,553.92/13,157.16 = 9,350.40/x
  3. Step 3: Cross multiply
    9,553.92x = 13,157.16 × 9,350.40
  4. Step 4: Simplify right side
    9,553.92x = 123,024,708.86
  5. Step 5: Solve for x
    x = 123,024,708.86/9,553.92
  6. Step 6: Final answer
    x = 12,876.88

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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.