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Finding the Fourth Proportional to 6,470.90, 9,720.17 and 4,633.82

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Solution

The fourth proportional to 6,470.90, 9,720.17 and 4,633.82 is: 6,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.90 : 9,720.17 = 4,633.82 : x
  2. Step 2: Convert to fraction form
    6,470.90/9,720.17 = 4,633.82/x
  3. Step 3: Cross multiply
    6,470.90x = 9,720.17 × 4,633.82
  4. Step 4: Simplify right side
    6,470.90x = 45,041,446.38
  5. Step 5: Solve for x
    x = 45,041,446.38/6,470.90
  6. Step 6: Final answer
    x = 6,960.62

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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.