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Finding the Fourth Proportional to 6,337.20, 8,733.24 and 5,507.76

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Solution

The fourth proportional to 6,337.20, 8,733.24 and 5,507.76 is: 7,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.20 : 8,733.24 = 5,507.76 : x
  2. Step 2: Convert to fraction form
    6,337.20/8,733.24 = 5,507.76/x
  3. Step 3: Cross multiply
    6,337.20x = 8,733.24 × 5,507.76
  4. Step 4: Simplify right side
    6,337.20x = 48,100,589.94
  5. Step 5: Solve for x
    x = 48,100,589.94/6,337.20
  6. Step 6: Final answer
    x = 7,590.20

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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.