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Finding the Fourth Proportional to 47,127.38, 65,035.89 and 25,906.79

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Solution

The fourth proportional to 47,127.38, 65,035.89 and 25,906.79 is: 35,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.38 : 65,035.89 = 25,906.79 : x
  2. Step 2: Convert to fraction form
    47,127.38/65,035.89 = 25,906.79/x
  3. Step 3: Cross multiply
    47,127.38x = 65,035.89 × 25,906.79
  4. Step 4: Simplify right side
    47,127.38x = 1,684,871,307.28
  5. Step 5: Solve for x
    x = 1,684,871,307.28/47,127.38
  6. Step 6: Final answer
    x = 35,751.44

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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.