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Finding the Fourth Proportional to 5,099.54, 7,649.30 and 3,248.79

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Solution

The fourth proportional to 5,099.54, 7,649.30 and 3,248.79 is: 4,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.54 : 7,649.30 = 3,248.79 : x
  2. Step 2: Convert to fraction form
    5,099.54/7,649.30 = 3,248.79/x
  3. Step 3: Cross multiply
    5,099.54x = 7,649.30 × 3,248.79
  4. Step 4: Simplify right side
    5,099.54x = 24,850,977.47
  5. Step 5: Solve for x
    x = 24,850,977.47/5,099.54
  6. Step 6: Final answer
    x = 4,873.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.