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Finding the Fourth Proportional to 3,148.39, 4,719.24 and 1,502.68

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Solution

The fourth proportional to 3,148.39, 4,719.24 and 1,502.68 is: 2,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.39 : 4,719.24 = 1,502.68 : x
  2. Step 2: Convert to fraction form
    3,148.39/4,719.24 = 1,502.68/x
  3. Step 3: Cross multiply
    3,148.39x = 4,719.24 × 1,502.68
  4. Step 4: Simplify right side
    3,148.39x = 7,091,507.56
  5. Step 5: Solve for x
    x = 7,091,507.56/3,148.39
  6. Step 6: Final answer
    x = 2,252.42

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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.