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Finding the Fourth Proportional to 1,792.38, 2,700.84 and 1,474.86

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Solution

The fourth proportional to 1,792.38, 2,700.84 and 1,474.86 is: 2,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.38 : 2,700.84 = 1,474.86 : x
  2. Step 2: Convert to fraction form
    1,792.38/2,700.84 = 1,474.86/x
  3. Step 3: Cross multiply
    1,792.38x = 2,700.84 × 1,474.86
  4. Step 4: Simplify right side
    1,792.38x = 3,983,360.88
  5. Step 5: Solve for x
    x = 3,983,360.88/1,792.38
  6. Step 6: Final answer
    x = 2,222.39

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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.