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Finding the Fourth Proportional to 44,321.76, 61,163.64 and 25,459.20

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Solution

The fourth proportional to 44,321.76, 61,163.64 and 25,459.20 is: 35,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,321.76 : 61,163.64 = 25,459.20 : x
  2. Step 2: Convert to fraction form
    44,321.76/61,163.64 = 25,459.20/x
  3. Step 3: Cross multiply
    44,321.76x = 61,163.64 × 25,459.20
  4. Step 4: Simplify right side
    44,321.76x = 1,557,177,343.49
  5. Step 5: Solve for x
    x = 1,557,177,343.49/44,321.76
  6. Step 6: Final answer
    x = 35,133.47

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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.