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Finding the Fourth Proportional to 2,503.84, 3,755.02 and 942.71

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Solution

The fourth proportional to 2,503.84, 3,755.02 and 942.71 is: 1,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.84 : 3,755.02 = 942.71 : x
  2. Step 2: Convert to fraction form
    2,503.84/3,755.02 = 942.71/x
  3. Step 3: Cross multiply
    2,503.84x = 3,755.02 × 942.71
  4. Step 4: Simplify right side
    2,503.84x = 3,539,894.90
  5. Step 5: Solve for x
    x = 3,539,894.90/2,503.84
  6. Step 6: Final answer
    x = 1,413.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.