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Finding the Fourth Proportional to 1,863.75, 2,572.05 and 1,024.53

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Solution

The fourth proportional to 1,863.75, 2,572.05 and 1,024.53 is: 1,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.75 : 2,572.05 = 1,024.53 : x
  2. Step 2: Convert to fraction form
    1,863.75/2,572.05 = 1,024.53/x
  3. Step 3: Cross multiply
    1,863.75x = 2,572.05 × 1,024.53
  4. Step 4: Simplify right side
    1,863.75x = 2,635,142.39
  5. Step 5: Solve for x
    x = 2,635,142.39/1,863.75
  6. Step 6: Final answer
    x = 1,413.89

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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.