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Finding the Fourth Proportional to 2,343.82, 3,515.73 and 956.91

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Solution

The fourth proportional to 2,343.82, 3,515.73 and 956.91 is: 1,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.82 : 3,515.73 = 956.91 : x
  2. Step 2: Convert to fraction form
    2,343.82/3,515.73 = 956.91/x
  3. Step 3: Cross multiply
    2,343.82x = 3,515.73 × 956.91
  4. Step 4: Simplify right side
    2,343.82x = 3,364,253.97
  5. Step 5: Solve for x
    x = 3,364,253.97/2,343.82
  6. Step 6: Final answer
    x = 1,435.37

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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.