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Finding the Fourth Proportional to 86,413.92, 129,620.27 and 24,084.42

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Solution

The fourth proportional to 86,413.92, 129,620.27 and 24,084.42 is: 36,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.92 : 129,620.27 = 24,084.42 : x
  2. Step 2: Convert to fraction form
    86,413.92/129,620.27 = 24,084.42/x
  3. Step 3: Cross multiply
    86,413.92x = 129,620.27 × 24,084.42
  4. Step 4: Simplify right side
    86,413.92x = 3,121,829,023.19
  5. Step 5: Solve for x
    x = 3,121,829,023.19/86,413.92
  6. Step 6: Final answer
    x = 36,126.46

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1.5x scale

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.