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Finding the Fourth Proportional to 6,777.72, 10,154.22 and 4,691.88

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Solution

The fourth proportional to 6,777.72, 10,154.22 and 4,691.88 is: 7,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.72 : 10,154.22 = 4,691.88 : x
  2. Step 2: Convert to fraction form
    6,777.72/10,154.22 = 4,691.88/x
  3. Step 3: Cross multiply
    6,777.72x = 10,154.22 × 4,691.88
  4. Step 4: Simplify right side
    6,777.72x = 47,642,381.73
  5. Step 5: Solve for x
    x = 47,642,381.73/6,777.72
  6. Step 6: Final answer
    x = 7,029.26

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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.