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Finding the Fourth Proportional to 63,908.40, 95,891.40 and 30,615.60

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Solution

The fourth proportional to 63,908.40, 95,891.40 and 30,615.60 is: 45,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.40 : 95,891.40 = 30,615.60 : x
  2. Step 2: Convert to fraction form
    63,908.40/95,891.40 = 30,615.60/x
  3. Step 3: Cross multiply
    63,908.40x = 95,891.40 × 30,615.60
  4. Step 4: Simplify right side
    63,908.40x = 2,935,772,745.84
  5. Step 5: Solve for x
    x = 2,935,772,745.84/63,908.40
  6. Step 6: Final answer
    x = 45,937.20

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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.