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Finding the Fourth Proportional to 17,591.64, 26,390.15 and 5,902.12

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Solution

The fourth proportional to 17,591.64, 26,390.15 and 5,902.12 is: 8,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.64 : 26,390.15 = 5,902.12 : x
  2. Step 2: Convert to fraction form
    17,591.64/26,390.15 = 5,902.12/x
  3. Step 3: Cross multiply
    17,591.64x = 26,390.15 × 5,902.12
  4. Step 4: Simplify right side
    17,591.64x = 155,757,832.12
  5. Step 5: Solve for x
    x = 155,757,832.12/17,591.64
  6. Step 6: Final answer
    x = 8,854.08

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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.