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Finding the Fourth Proportional to 53,273.51, 79,834.11 and 39,122.54

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Solution

The fourth proportional to 53,273.51, 79,834.11 and 39,122.54 is: 58,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.51 : 79,834.11 = 39,122.54 : x
  2. Step 2: Convert to fraction form
    53,273.51/79,834.11 = 39,122.54/x
  3. Step 3: Cross multiply
    53,273.51x = 79,834.11 × 39,122.54
  4. Step 4: Simplify right side
    53,273.51x = 3,123,313,161.84
  5. Step 5: Solve for x
    x = 3,123,313,161.84/53,273.51
  6. Step 6: Final answer
    x = 58,627.88

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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.