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Finding the Fourth Proportional to 2,526.81, 3,789.68 and 966.75

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Solution

The fourth proportional to 2,526.81, 3,789.68 and 966.75 is: 1,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.81 : 3,789.68 = 966.75 : x
  2. Step 2: Convert to fraction form
    2,526.81/3,789.68 = 966.75/x
  3. Step 3: Cross multiply
    2,526.81x = 3,789.68 × 966.75
  4. Step 4: Simplify right side
    2,526.81x = 3,663,668.31
  5. Step 5: Solve for x
    x = 3,663,668.31/2,526.81
  6. Step 6: Final answer
    x = 1,449.92

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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.