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Finding the Fourth Proportional to 6,155.33, 8,487.81 and 4,032.72

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Solution

The fourth proportional to 6,155.33, 8,487.81 and 4,032.72 is: 5,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.33 : 8,487.81 = 4,032.72 : x
  2. Step 2: Convert to fraction form
    6,155.33/8,487.81 = 4,032.72/x
  3. Step 3: Cross multiply
    6,155.33x = 8,487.81 × 4,032.72
  4. Step 4: Simplify right side
    6,155.33x = 34,228,961.14
  5. Step 5: Solve for x
    x = 34,228,961.14/6,155.33
  6. Step 6: Final answer
    x = 5,560.87

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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.