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Finding the Fourth Proportional to 1,527.22, 2,291.22 and 833.71

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Solution

The fourth proportional to 1,527.22, 2,291.22 and 833.71 is: 1,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.22 : 2,291.22 = 833.71 : x
  2. Step 2: Convert to fraction form
    1,527.22/2,291.22 = 833.71/x
  3. Step 3: Cross multiply
    1,527.22x = 2,291.22 × 833.71
  4. Step 4: Simplify right side
    1,527.22x = 1,910,213.03
  5. Step 5: Solve for x
    x = 1,910,213.03/1,527.22
  6. Step 6: Final answer
    x = 1,250.78

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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.