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Finding the Fourth Proportional to 83,893.35, 125,659.49 and 39,453.51

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Solution

The fourth proportional to 83,893.35, 125,659.49 and 39,453.51 is: 59,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,893.35 : 125,659.49 = 39,453.51 : x
  2. Step 2: Convert to fraction form
    83,893.35/125,659.49 = 39,453.51/x
  3. Step 3: Cross multiply
    83,893.35x = 125,659.49 × 39,453.51
  4. Step 4: Simplify right side
    83,893.35x = 4,957,707,748.04
  5. Step 5: Solve for x
    x = 4,957,707,748.04/83,893.35
  6. Step 6: Final answer
    x = 59,095.36

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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.