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Finding the Fourth Proportional to 1,463.13, 2,019.13 and 874.06

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Solution

The fourth proportional to 1,463.13, 2,019.13 and 874.06 is: 1,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.13 : 2,019.13 = 874.06 : x
  2. Step 2: Convert to fraction form
    1,463.13/2,019.13 = 874.06/x
  3. Step 3: Cross multiply
    1,463.13x = 2,019.13 × 874.06
  4. Step 4: Simplify right side
    1,463.13x = 1,764,833.53
  5. Step 5: Solve for x
    x = 1,764,833.53/1,463.13
  6. Step 6: Final answer
    x = 1,206.20

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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.