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Finding the Fourth Proportional to 4,473.78, 6,711.60 and 1,353.96

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Solution

The fourth proportional to 4,473.78, 6,711.60 and 1,353.96 is: 2,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473.78 : 6,711.60 = 1,353.96 : x
  2. Step 2: Convert to fraction form
    4,473.78/6,711.60 = 1,353.96/x
  3. Step 3: Cross multiply
    4,473.78x = 6,711.60 × 1,353.96
  4. Step 4: Simplify right side
    4,473.78x = 9,087,237.94
  5. Step 5: Solve for x
    x = 9,087,237.94/4,473.78
  6. Step 6: Final answer
    x = 2,031.22

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