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Finding the Fourth Proportional to 2,342.72, 3,514.08 and 956.08

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Solution

The fourth proportional to 2,342.72, 3,514.08 and 956.08 is: 1,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.72 : 3,514.08 = 956.08 : x
  2. Step 2: Convert to fraction form
    2,342.72/3,514.08 = 956.08/x
  3. Step 3: Cross multiply
    2,342.72x = 3,514.08 × 956.08
  4. Step 4: Simplify right side
    2,342.72x = 3,359,741.61
  5. Step 5: Solve for x
    x = 3,359,741.61/2,342.72
  6. Step 6: Final answer
    x = 1,434.12

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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.