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Finding the Fourth Proportional to 1,494, 2,061.76 and 873.04

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Solution

The fourth proportional to 1,494, 2,061.76 and 873.04 is: 1,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494 : 2,061.76 = 873.04 : x
  2. Step 2: Convert to fraction form
    1,494/2,061.76 = 873.04/x
  3. Step 3: Cross multiply
    1,494x = 2,061.76 × 873.04
  4. Step 4: Simplify right side
    1,494x = 1,799,998.95
  5. Step 5: Solve for x
    x = 1,799,998.95/1,494
  6. Step 6: Final answer
    x = 1,204.82

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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.