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Finding the Fourth Proportional to 1,843.51, 2,760.76 and 966.74

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Solution

The fourth proportional to 1,843.51, 2,760.76 and 966.74 is: 1,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.51 : 2,760.76 = 966.74 : x
  2. Step 2: Convert to fraction form
    1,843.51/2,760.76 = 966.74/x
  3. Step 3: Cross multiply
    1,843.51x = 2,760.76 × 966.74
  4. Step 4: Simplify right side
    1,843.51x = 2,668,941.61
  5. Step 5: Solve for x
    x = 2,668,941.61/1,843.51
  6. Step 6: Final answer
    x = 1,447.75

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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.