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Finding the Fourth Proportional to 1,494.67, 2,064.51 and 1,180.39

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Solution

The fourth proportional to 1,494.67, 2,064.51 and 1,180.39 is: 1,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.67 : 2,064.51 = 1,180.39 : x
  2. Step 2: Convert to fraction form
    1,494.67/2,064.51 = 1,180.39/x
  3. Step 3: Cross multiply
    1,494.67x = 2,064.51 × 1,180.39
  4. Step 4: Simplify right side
    1,494.67x = 2,436,926.96
  5. Step 5: Solve for x
    x = 2,436,926.96/1,494.67
  6. Step 6: Final answer
    x = 1,630.41

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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.