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Finding the Fourth Proportional to 6,387.32, 9,572.61 and 3,264.67

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Solution

The fourth proportional to 6,387.32, 9,572.61 and 3,264.67 is: 4,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.32 : 9,572.61 = 3,264.67 : x
  2. Step 2: Convert to fraction form
    6,387.32/9,572.61 = 3,264.67/x
  3. Step 3: Cross multiply
    6,387.32x = 9,572.61 × 3,264.67
  4. Step 4: Simplify right side
    6,387.32x = 31,251,436.90
  5. Step 5: Solve for x
    x = 31,251,436.90/6,387.32
  6. Step 6: Final answer
    x = 4,892.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.