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Finding the Fourth Proportional to 3,964.95, 5,948.46 and 1,499.81

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Solution

The fourth proportional to 3,964.95, 5,948.46 and 1,499.81 is: 2,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.95 : 5,948.46 = 1,499.81 : x
  2. Step 2: Convert to fraction form
    3,964.95/5,948.46 = 1,499.81/x
  3. Step 3: Cross multiply
    3,964.95x = 5,948.46 × 1,499.81
  4. Step 4: Simplify right side
    3,964.95x = 8,921,530.05
  5. Step 5: Solve for x
    x = 8,921,530.05/3,964.95
  6. Step 6: Final answer
    x = 2,250.10

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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.