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Finding the Fourth Proportional to 61,250.51, 84,529.88 and 34,029.78

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Solution

The fourth proportional to 61,250.51, 84,529.88 and 34,029.78 is: 46,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,250.51 : 84,529.88 = 34,029.78 : x
  2. Step 2: Convert to fraction form
    61,250.51/84,529.88 = 34,029.78/x
  3. Step 3: Cross multiply
    61,250.51x = 84,529.88 × 34,029.78
  4. Step 4: Simplify right side
    61,250.51x = 2,876,533,049.68
  5. Step 5: Solve for x
    x = 2,876,533,049.68/61,250.51
  6. Step 6: Final answer
    x = 46,963.42

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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.