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Finding the Fourth Proportional to 3,393.87, 5,088.98 and 1,052.87

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Solution

The fourth proportional to 3,393.87, 5,088.98 and 1,052.87 is: 1,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.87 : 5,088.98 = 1,052.87 : x
  2. Step 2: Convert to fraction form
    3,393.87/5,088.98 = 1,052.87/x
  3. Step 3: Cross multiply
    3,393.87x = 5,088.98 × 1,052.87
  4. Step 4: Simplify right side
    3,393.87x = 5,358,003.66
  5. Step 5: Solve for x
    x = 5,358,003.66/3,393.87
  6. Step 6: Final answer
    x = 1,578.73

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Why These Related Problems?

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