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Finding the Fourth Proportional to 44,867.60, 67,301.40 and 40,413.20

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Solution

The fourth proportional to 44,867.60, 67,301.40 and 40,413.20 is: 60,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,867.60 : 67,301.40 = 40,413.20 : x
  2. Step 2: Convert to fraction form
    44,867.60/67,301.40 = 40,413.20/x
  3. Step 3: Cross multiply
    44,867.60x = 67,301.40 × 40,413.20
  4. Step 4: Simplify right side
    44,867.60x = 2,719,864,938.48
  5. Step 5: Solve for x
    x = 2,719,864,938.48/44,867.60
  6. Step 6: Final answer
    x = 60,619.80

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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.