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Finding the Fourth Proportional to 61,908.62, 85,454.22 and 36,413.88

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Solution

The fourth proportional to 61,908.62, 85,454.22 and 36,413.88 is: 50,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,908.62 : 85,454.22 = 36,413.88 : x
  2. Step 2: Convert to fraction form
    61,908.62/85,454.22 = 36,413.88/x
  3. Step 3: Cross multiply
    61,908.62x = 85,454.22 × 36,413.88
  4. Step 4: Simplify right side
    61,908.62x = 3,111,719,712.57
  5. Step 5: Solve for x
    x = 3,111,719,712.57/61,908.62
  6. Step 6: Final answer
    x = 50,263.11

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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.