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Finding the Fourth Proportional to 6,372.15, 8,793.13 and 3,539.29

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Solution

The fourth proportional to 6,372.15, 8,793.13 and 3,539.29 is: 4,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.15 : 8,793.13 = 3,539.29 : x
  2. Step 2: Convert to fraction form
    6,372.15/8,793.13 = 3,539.29/x
  3. Step 3: Cross multiply
    6,372.15x = 8,793.13 × 3,539.29
  4. Step 4: Simplify right side
    6,372.15x = 31,121,437.08
  5. Step 5: Solve for x
    x = 31,121,437.08/6,372.15
  6. Step 6: Final answer
    x = 4,883.98

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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.