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Finding the Fourth Proportional to 4,503.73, 6,750.11 and 3,187.86

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Solution

The fourth proportional to 4,503.73, 6,750.11 and 3,187.86 is: 4,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.73 : 6,750.11 = 3,187.86 : x
  2. Step 2: Convert to fraction form
    4,503.73/6,750.11 = 3,187.86/x
  3. Step 3: Cross multiply
    4,503.73x = 6,750.11 × 3,187.86
  4. Step 4: Simplify right side
    4,503.73x = 21,518,413.63
  5. Step 5: Solve for x
    x = 21,518,413.63/4,503.73
  6. Step 6: Final answer
    x = 4,777.91

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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.