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Finding the Fourth Proportional to 6,710.76, 9,270.19 and 6,382.72

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Solution

The fourth proportional to 6,710.76, 9,270.19 and 6,382.72 is: 8,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.76 : 9,270.19 = 6,382.72 : x
  2. Step 2: Convert to fraction form
    6,710.76/9,270.19 = 6,382.72/x
  3. Step 3: Cross multiply
    6,710.76x = 9,270.19 × 6,382.72
  4. Step 4: Simplify right side
    6,710.76x = 59,169,027.12
  5. Step 5: Solve for x
    x = 59,169,027.12/6,710.76
  6. Step 6: Final answer
    x = 8,817.04

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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.