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Finding the Fourth Proportional to 3,298.88, 4,944.90 and 1,106.87

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Solution

The fourth proportional to 3,298.88, 4,944.90 and 1,106.87 is: 1,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.88 : 4,944.90 = 1,106.87 : x
  2. Step 2: Convert to fraction form
    3,298.88/4,944.90 = 1,106.87/x
  3. Step 3: Cross multiply
    3,298.88x = 4,944.90 × 1,106.87
  4. Step 4: Simplify right side
    3,298.88x = 5,473,334.66
  5. Step 5: Solve for x
    x = 5,473,334.66/3,298.88
  6. Step 6: Final answer
    x = 1,659.15

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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.