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Finding the Fourth Proportional to 1,863.84, 2,572.08 and 1,024.55

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Solution

The fourth proportional to 1,863.84, 2,572.08 and 1,024.55 is: 1,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.84 : 2,572.08 = 1,024.55 : x
  2. Step 2: Convert to fraction form
    1,863.84/2,572.08 = 1,024.55/x
  3. Step 3: Cross multiply
    1,863.84x = 2,572.08 × 1,024.55
  4. Step 4: Simplify right side
    1,863.84x = 2,635,224.56
  5. Step 5: Solve for x
    x = 2,635,224.56/1,863.84
  6. Step 6: Final answer
    x = 1,413.87

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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.