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Finding the Fourth Proportional to 8,875.56, 12,247.92 and 4,896.42

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Solution

The fourth proportional to 8,875.56, 12,247.92 and 4,896.42 is: 6,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.56 : 12,247.92 = 4,896.42 : x
  2. Step 2: Convert to fraction form
    8,875.56/12,247.92 = 4,896.42/x
  3. Step 3: Cross multiply
    8,875.56x = 12,247.92 × 4,896.42
  4. Step 4: Simplify right side
    8,875.56x = 59,970,960.45
  5. Step 5: Solve for x
    x = 59,970,960.45/8,875.56
  6. Step 6: Final answer
    x = 6,756.86

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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.