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Finding the Fourth Proportional to 5,737.32, 8,607.36 and 1,788.48

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Solution

The fourth proportional to 5,737.32, 8,607.36 and 1,788.48 is: 2,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.32 : 8,607.36 = 1,788.48 : x
  2. Step 2: Convert to fraction form
    5,737.32/8,607.36 = 1,788.48/x
  3. Step 3: Cross multiply
    5,737.32x = 8,607.36 × 1,788.48
  4. Step 4: Simplify right side
    5,737.32x = 15,394,091.21
  5. Step 5: Solve for x
    x = 15,394,091.21/5,737.32
  6. Step 6: Final answer
    x = 2,683.15

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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.