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Finding the Fourth Proportional to 5,512.48, 7,607.44 and 3,154.80

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Solution

The fourth proportional to 5,512.48, 7,607.44 and 3,154.80 is: 4,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.48 : 7,607.44 = 3,154.80 : x
  2. Step 2: Convert to fraction form
    5,512.48/7,607.44 = 3,154.80/x
  3. Step 3: Cross multiply
    5,512.48x = 7,607.44 × 3,154.80
  4. Step 4: Simplify right side
    5,512.48x = 23,999,951.71
  5. Step 5: Solve for x
    x = 23,999,951.71/5,512.48
  6. Step 6: Final answer
    x = 4,353.75

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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.