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Finding the Fourth Proportional to 39,508.88, 59,273.64 and 11,806.88

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Solution

The fourth proportional to 39,508.88, 59,273.64 and 11,806.88 is: 17,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508.88 : 59,273.64 = 11,806.88 : x
  2. Step 2: Convert to fraction form
    39,508.88/59,273.64 = 11,806.88/x
  3. Step 3: Cross multiply
    39,508.88x = 59,273.64 × 11,806.88
  4. Step 4: Simplify right side
    39,508.88x = 699,836,458.28
  5. Step 5: Solve for x
    x = 699,836,458.28/39,508.88
  6. Step 6: Final answer
    x = 17,713.40

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1.5x scale

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.