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Finding the Fourth Proportional to 7,401.52, 10,213.78 and 4,044.18

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Solution

The fourth proportional to 7,401.52, 10,213.78 and 4,044.18 is: 5,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.52 : 10,213.78 = 4,044.18 : x
  2. Step 2: Convert to fraction form
    7,401.52/10,213.78 = 4,044.18/x
  3. Step 3: Cross multiply
    7,401.52x = 10,213.78 × 4,044.18
  4. Step 4: Simplify right side
    7,401.52x = 41,306,293.51
  5. Step 5: Solve for x
    x = 41,306,293.51/7,401.52
  6. Step 6: Final answer
    x = 5,580.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.