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Finding the Fourth Proportional to 1,463.72, 2,018.07 and 874.04

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Solution

The fourth proportional to 1,463.72, 2,018.07 and 874.04 is: 1,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.72 : 2,018.07 = 874.04 : x
  2. Step 2: Convert to fraction form
    1,463.72/2,018.07 = 874.04/x
  3. Step 3: Cross multiply
    1,463.72x = 2,018.07 × 874.04
  4. Step 4: Simplify right side
    1,463.72x = 1,763,873.90
  5. Step 5: Solve for x
    x = 1,763,873.90/1,463.72
  6. Step 6: Final answer
    x = 1,205.06

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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.