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Finding the Fourth Proportional to 10,912.52, 15,058.71 and 6,196.50

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Solution

The fourth proportional to 10,912.52, 15,058.71 and 6,196.50 is: 8,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.52 : 15,058.71 = 6,196.50 : x
  2. Step 2: Convert to fraction form
    10,912.52/15,058.71 = 6,196.50/x
  3. Step 3: Cross multiply
    10,912.52x = 15,058.71 × 6,196.50
  4. Step 4: Simplify right side
    10,912.52x = 93,311,296.52
  5. Step 5: Solve for x
    x = 93,311,296.52/10,912.52
  6. Step 6: Final answer
    x = 8,550.85

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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.