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Finding the Fourth Proportional to 47,391.98, 65,401.07 and 25,881.92

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Solution

The fourth proportional to 47,391.98, 65,401.07 and 25,881.92 is: 35,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.98 : 65,401.07 = 25,881.92 : x
  2. Step 2: Convert to fraction form
    47,391.98/65,401.07 = 25,881.92/x
  3. Step 3: Cross multiply
    47,391.98x = 65,401.07 × 25,881.92
  4. Step 4: Simplify right side
    47,391.98x = 1,692,704,805.24
  5. Step 5: Solve for x
    x = 1,692,704,805.24/47,391.98
  6. Step 6: Final answer
    x = 35,717.12

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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.