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Finding the Fourth Proportional to 2,339.72, 3,509.56 and 952.73

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Solution

The fourth proportional to 2,339.72, 3,509.56 and 952.73 is: 1,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.72 : 3,509.56 = 952.73 : x
  2. Step 2: Convert to fraction form
    2,339.72/3,509.56 = 952.73/x
  3. Step 3: Cross multiply
    2,339.72x = 3,509.56 × 952.73
  4. Step 4: Simplify right side
    2,339.72x = 3,343,659.90
  5. Step 5: Solve for x
    x = 3,343,659.90/2,339.72
  6. Step 6: Final answer
    x = 1,429.09

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1.5x scale

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.