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Finding the Fourth Proportional to 8,778.44, 12,113.45 and 5,000.60

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Solution

The fourth proportional to 8,778.44, 12,113.45 and 5,000.60 is: 6,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.44 : 12,113.45 = 5,000.60 : x
  2. Step 2: Convert to fraction form
    8,778.44/12,113.45 = 5,000.60/x
  3. Step 3: Cross multiply
    8,778.44x = 12,113.45 × 5,000.60
  4. Step 4: Simplify right side
    8,778.44x = 60,574,542.10
  5. Step 5: Solve for x
    x = 60,574,542.10/8,778.44
  6. Step 6: Final answer
    x = 6,900.37

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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.