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Finding the Fourth Proportional to 54,348.60, 81,413.55 and 36,633.90

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Solution

The fourth proportional to 54,348.60, 81,413.55 and 36,633.90 is: 54,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.60 : 81,413.55 = 36,633.90 : x
  2. Step 2: Convert to fraction form
    54,348.60/81,413.55 = 36,633.90/x
  3. Step 3: Cross multiply
    54,348.60x = 81,413.55 × 36,633.90
  4. Step 4: Simplify right side
    54,348.60x = 2,982,495,849.35
  5. Step 5: Solve for x
    x = 2,982,495,849.35/54,348.60
  6. Step 6: Final answer
    x = 54,877.14

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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.