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Finding the Fourth Proportional to 3,337.29, 5,005.62 and 1,145.76

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Solution

The fourth proportional to 3,337.29, 5,005.62 and 1,145.76 is: 1,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.29 : 5,005.62 = 1,145.76 : x
  2. Step 2: Convert to fraction form
    3,337.29/5,005.62 = 1,145.76/x
  3. Step 3: Cross multiply
    3,337.29x = 5,005.62 × 1,145.76
  4. Step 4: Simplify right side
    3,337.29x = 5,735,239.17
  5. Step 5: Solve for x
    x = 5,735,239.17/3,337.29
  6. Step 6: Final answer
    x = 1,718.53

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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.