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Finding the Fourth Proportional to 3,265.68, 4,898.26 and 956.88

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Solution

The fourth proportional to 3,265.68, 4,898.26 and 956.88 is: 1,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.68 : 4,898.26 = 956.88 : x
  2. Step 2: Convert to fraction form
    3,265.68/4,898.26 = 956.88/x
  3. Step 3: Cross multiply
    3,265.68x = 4,898.26 × 956.88
  4. Step 4: Simplify right side
    3,265.68x = 4,687,047.03
  5. Step 5: Solve for x
    x = 4,687,047.03/3,265.68
  6. Step 6: Final answer
    x = 1,435.24

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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.