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Finding the Fourth Proportional to 23,487.92, 32,413.05 and 12,877.55

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Solution

The fourth proportional to 23,487.92, 32,413.05 and 12,877.55 is: 17,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.92 : 32,413.05 = 12,877.55 : x
  2. Step 2: Convert to fraction form
    23,487.92/32,413.05 = 12,877.55/x
  3. Step 3: Cross multiply
    23,487.92x = 32,413.05 × 12,877.55
  4. Step 4: Simplify right side
    23,487.92x = 417,400,509.96
  5. Step 5: Solve for x
    x = 417,400,509.96/23,487.92
  6. Step 6: Final answer
    x = 17,770.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.