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Finding the Fourth Proportional to 44,608.40, 66,402.94 and 43,943.84

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Solution

The fourth proportional to 44,608.40, 66,402.94 and 43,943.84 is: 65,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,608.40 : 66,402.94 = 43,943.84 : x
  2. Step 2: Convert to fraction form
    44,608.40/66,402.94 = 43,943.84/x
  3. Step 3: Cross multiply
    44,608.40x = 66,402.94 × 43,943.84
  4. Step 4: Simplify right side
    44,608.40x = 2,918,000,170.89
  5. Step 5: Solve for x
    x = 2,918,000,170.89/44,608.40
  6. Step 6: Final answer
    x = 65,413.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.