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Finding the Fourth Proportional to 5,752.29, 7,938.15 and 3,363.90

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Solution

The fourth proportional to 5,752.29, 7,938.15 and 3,363.90 is: 4,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.29 : 7,938.15 = 3,363.90 : x
  2. Step 2: Convert to fraction form
    5,752.29/7,938.15 = 3,363.90/x
  3. Step 3: Cross multiply
    5,752.29x = 7,938.15 × 3,363.90
  4. Step 4: Simplify right side
    5,752.29x = 26,703,142.79
  5. Step 5: Solve for x
    x = 26,703,142.79/5,752.29
  6. Step 6: Final answer
    x = 4,642.18

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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.