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Finding the Fourth Proportional to 1,463.41, 2,019.40 and 800.26

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Solution

The fourth proportional to 1,463.41, 2,019.40 and 800.26 is: 1,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.41 : 2,019.40 = 800.26 : x
  2. Step 2: Convert to fraction form
    1,463.41/2,019.40 = 800.26/x
  3. Step 3: Cross multiply
    1,463.41x = 2,019.40 × 800.26
  4. Step 4: Simplify right side
    1,463.41x = 1,616,045.04
  5. Step 5: Solve for x
    x = 1,616,045.04/1,463.41
  6. Step 6: Final answer
    x = 1,104.30

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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.