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Finding the Fourth Proportional to 1,492.92, 2,248.14 and 1,084.92

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Solution

The fourth proportional to 1,492.92, 2,248.14 and 1,084.92 is: 1,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.92 : 2,248.14 = 1,084.92 : x
  2. Step 2: Convert to fraction form
    1,492.92/2,248.14 = 1,084.92/x
  3. Step 3: Cross multiply
    1,492.92x = 2,248.14 × 1,084.92
  4. Step 4: Simplify right side
    1,492.92x = 2,439,052.05
  5. Step 5: Solve for x
    x = 2,439,052.05/1,492.92
  6. Step 6: Final answer
    x = 1,633.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.