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Finding the Fourth Proportional to 3,242.57, 4,860.72 and 1,049.81

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Solution

The fourth proportional to 3,242.57, 4,860.72 and 1,049.81 is: 1,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.57 : 4,860.72 = 1,049.81 : x
  2. Step 2: Convert to fraction form
    3,242.57/4,860.72 = 1,049.81/x
  3. Step 3: Cross multiply
    3,242.57x = 4,860.72 × 1,049.81
  4. Step 4: Simplify right side
    3,242.57x = 5,102,808.16
  5. Step 5: Solve for x
    x = 5,102,808.16/3,242.57
  6. Step 6: Final answer
    x = 1,573.69

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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.