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Finding the Fourth Proportional to 6,877.90, 9,469.92 and 6,069.52

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Solution

The fourth proportional to 6,877.90, 9,469.92 and 6,069.52 is: 8,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.90 : 9,469.92 = 6,069.52 : x
  2. Step 2: Convert to fraction form
    6,877.90/9,469.92 = 6,069.52/x
  3. Step 3: Cross multiply
    6,877.90x = 9,469.92 × 6,069.52
  4. Step 4: Simplify right side
    6,877.90x = 57,477,868.84
  5. Step 5: Solve for x
    x = 57,477,868.84/6,877.90
  6. Step 6: Final answer
    x = 8,356.89

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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.