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Finding the Fourth Proportional to 7,443.78, 10,273.68 and 4,301.79

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Solution

The fourth proportional to 7,443.78, 10,273.68 and 4,301.79 is: 5,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.78 : 10,273.68 = 4,301.79 : x
  2. Step 2: Convert to fraction form
    7,443.78/10,273.68 = 4,301.79/x
  3. Step 3: Cross multiply
    7,443.78x = 10,273.68 × 4,301.79
  4. Step 4: Simplify right side
    7,443.78x = 44,195,213.89
  5. Step 5: Solve for x
    x = 44,195,213.89/7,443.78
  6. Step 6: Final answer
    x = 5,937.20

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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.