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Finding the Fourth Proportional to 58,251.25, 80,413.80 and 43,916.88

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Solution

The fourth proportional to 58,251.25, 80,413.80 and 43,916.88 is: 60,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,251.25 : 80,413.80 = 43,916.88 : x
  2. Step 2: Convert to fraction form
    58,251.25/80,413.80 = 43,916.88/x
  3. Step 3: Cross multiply
    58,251.25x = 80,413.80 × 43,916.88
  4. Step 4: Simplify right side
    58,251.25x = 3,531,523,204.94
  5. Step 5: Solve for x
    x = 3,531,523,204.94/58,251.25
  6. Step 6: Final answer
    x = 60,625.71

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1.5x scale

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.