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Finding the Fourth Proportional to 15,158.70, 22,741.11 and 6,393.60

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Solution

The fourth proportional to 15,158.70, 22,741.11 and 6,393.60 is: 9,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.70 : 22,741.11 = 6,393.60 : x
  2. Step 2: Convert to fraction form
    15,158.70/22,741.11 = 6,393.60/x
  3. Step 3: Cross multiply
    15,158.70x = 22,741.11 × 6,393.60
  4. Step 4: Simplify right side
    15,158.70x = 145,397,560.90
  5. Step 5: Solve for x
    x = 145,397,560.90/15,158.70
  6. Step 6: Final answer
    x = 9,591.69

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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.