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Finding the Fourth Proportional to 61,803.03, 85,287.42 and 33,508.11

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Solution

The fourth proportional to 61,803.03, 85,287.42 and 33,508.11 is: 46,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.03 : 85,287.42 = 33,508.11 : x
  2. Step 2: Convert to fraction form
    61,803.03/85,287.42 = 33,508.11/x
  3. Step 3: Cross multiply
    61,803.03x = 85,287.42 × 33,508.11
  4. Step 4: Simplify right side
    61,803.03x = 2,857,820,250.98
  5. Step 5: Solve for x
    x = 2,857,820,250.98/61,803.03
  6. Step 6: Final answer
    x = 46,240.78

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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.