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Finding the Fourth Proportional to 15,157.56, 22,722.66 and 6,393

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Solution

The fourth proportional to 15,157.56, 22,722.66 and 6,393 is: 9,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.56 : 22,722.66 = 6,393 : x
  2. Step 2: Convert to fraction form
    15,157.56/22,722.66 = 6,393/x
  3. Step 3: Cross multiply
    15,157.56x = 22,722.66 × 6,393
  4. Step 4: Simplify right side
    15,157.56x = 145,265,965.38
  5. Step 5: Solve for x
    x = 145,265,965.38/15,157.56
  6. Step 6: Final answer
    x = 9,583.73

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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.