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Finding the Fourth Proportional to 6,472.89, 8,932.56 and 4,116.39

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Solution

The fourth proportional to 6,472.89, 8,932.56 and 4,116.39 is: 5,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.89 : 8,932.56 = 4,116.39 : x
  2. Step 2: Convert to fraction form
    6,472.89/8,932.56 = 4,116.39/x
  3. Step 3: Cross multiply
    6,472.89x = 8,932.56 × 4,116.39
  4. Step 4: Simplify right side
    6,472.89x = 36,769,900.66
  5. Step 5: Solve for x
    x = 36,769,900.66/6,472.89
  6. Step 6: Final answer
    x = 5,680.60

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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.