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Finding the Fourth Proportional to 6,761.55, 9,335.31 and 6,052.15

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Solution

The fourth proportional to 6,761.55, 9,335.31 and 6,052.15 is: 8,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.55 : 9,335.31 = 6,052.15 : x
  2. Step 2: Convert to fraction form
    6,761.55/9,335.31 = 6,052.15/x
  3. Step 3: Cross multiply
    6,761.55x = 9,335.31 × 6,052.15
  4. Step 4: Simplify right side
    6,761.55x = 56,498,696.42
  5. Step 5: Solve for x
    x = 56,498,696.42/6,761.55
  6. Step 6: Final answer
    x = 8,355.88

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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.