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Finding the Fourth Proportional to 8,800.79, 12,141.02 and 5,072.63

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Solution

The fourth proportional to 8,800.79, 12,141.02 and 5,072.63 is: 6,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.79 : 12,141.02 = 5,072.63 : x
  2. Step 2: Convert to fraction form
    8,800.79/12,141.02 = 5,072.63/x
  3. Step 3: Cross multiply
    8,800.79x = 12,141.02 × 5,072.63
  4. Step 4: Simplify right side
    8,800.79x = 61,586,854.26
  5. Step 5: Solve for x
    x = 61,586,854.26/8,800.79
  6. Step 6: Final answer
    x = 6,997.88

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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.