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Finding the Fourth Proportional to 2,592.87, 3,578.13 and 1,413.93

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Solution

The fourth proportional to 2,592.87, 3,578.13 and 1,413.93 is: 1,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.87 : 3,578.13 = 1,413.93 : x
  2. Step 2: Convert to fraction form
    2,592.87/3,578.13 = 1,413.93/x
  3. Step 3: Cross multiply
    2,592.87x = 3,578.13 × 1,413.93
  4. Step 4: Simplify right side
    2,592.87x = 5,059,225.35
  5. Step 5: Solve for x
    x = 5,059,225.35/2,592.87
  6. Step 6: Final answer
    x = 1,951.21

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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.