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Finding the Fourth Proportional to 1,494.07, 2,062.13 and 1,022.92

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Solution

The fourth proportional to 1,494.07, 2,062.13 and 1,022.92 is: 1,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.07 : 2,062.13 = 1,022.92 : x
  2. Step 2: Convert to fraction form
    1,494.07/2,062.13 = 1,022.92/x
  3. Step 3: Cross multiply
    1,494.07x = 2,062.13 × 1,022.92
  4. Step 4: Simplify right side
    1,494.07x = 2,109,383.75
  5. Step 5: Solve for x
    x = 2,109,383.75/1,494.07
  6. Step 6: Final answer
    x = 1,411.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.