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Finding the Fourth Proportional to 6,491.06, 8,951.78 and 4,252.12

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Solution

The fourth proportional to 6,491.06, 8,951.78 and 4,252.12 is: 5,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.06 : 8,951.78 = 4,252.12 : x
  2. Step 2: Convert to fraction form
    6,491.06/8,951.78 = 4,252.12/x
  3. Step 3: Cross multiply
    6,491.06x = 8,951.78 × 4,252.12
  4. Step 4: Simplify right side
    6,491.06x = 38,064,042.77
  5. Step 5: Solve for x
    x = 38,064,042.77/6,491.06
  6. Step 6: Final answer
    x = 5,864.07

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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.