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Finding the Fourth Proportional to 1,494.18, 2,062.14 and 873.18

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Solution

The fourth proportional to 1,494.18, 2,062.14 and 873.18 is: 1,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.18 : 2,062.14 = 873.18 : x
  2. Step 2: Convert to fraction form
    1,494.18/2,062.14 = 873.18/x
  3. Step 3: Cross multiply
    1,494.18x = 2,062.14 × 873.18
  4. Step 4: Simplify right side
    1,494.18x = 1,800,619.41
  5. Step 5: Solve for x
    x = 1,800,619.41/1,494.18
  6. Step 6: Final answer
    x = 1,205.09

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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.