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Finding the Fourth Proportional to 5,774.42, 8,661.86 and 3,308.13

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Solution

The fourth proportional to 5,774.42, 8,661.86 and 3,308.13 is: 4,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.42 : 8,661.86 = 3,308.13 : x
  2. Step 2: Convert to fraction form
    5,774.42/8,661.86 = 3,308.13/x
  3. Step 3: Cross multiply
    5,774.42x = 8,661.86 × 3,308.13
  4. Step 4: Simplify right side
    5,774.42x = 28,654,542.38
  5. Step 5: Solve for x
    x = 28,654,542.38/5,774.42
  6. Step 6: Final answer
    x = 4,962.33

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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.