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Finding the Fourth Proportional to 6,352.38, 8,766.29 and 3,557.88

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Solution

The fourth proportional to 6,352.38, 8,766.29 and 3,557.88 is: 4,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.38 : 8,766.29 = 3,557.88 : x
  2. Step 2: Convert to fraction form
    6,352.38/8,766.29 = 3,557.88/x
  3. Step 3: Cross multiply
    6,352.38x = 8,766.29 × 3,557.88
  4. Step 4: Simplify right side
    6,352.38x = 31,189,407.87
  5. Step 5: Solve for x
    x = 31,189,407.87/6,352.38
  6. Step 6: Final answer
    x = 4,909.88

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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.