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Finding the Fourth Proportional to 34,716.52, 47,908.92 and 18,800.92

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Solution

The fourth proportional to 34,716.52, 47,908.92 and 18,800.92 is: 25,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,716.52 : 47,908.92 = 18,800.92 : x
  2. Step 2: Convert to fraction form
    34,716.52/47,908.92 = 18,800.92/x
  3. Step 3: Cross multiply
    34,716.52x = 47,908.92 × 18,800.92
  4. Step 4: Simplify right side
    34,716.52x = 900,731,772.21
  5. Step 5: Solve for x
    x = 900,731,772.21/34,716.52
  6. Step 6: Final answer
    x = 25,945.34

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1.5x scale

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.