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Finding the Fourth Proportional to 62,100.10, 85,698.12 and 33,805.78

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Solution

The fourth proportional to 62,100.10, 85,698.12 and 33,805.78 is: 46,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.10 : 85,698.12 = 33,805.78 : x
  2. Step 2: Convert to fraction form
    62,100.10/85,698.12 = 33,805.78/x
  3. Step 3: Cross multiply
    62,100.10x = 85,698.12 × 33,805.78
  4. Step 4: Simplify right side
    62,100.10x = 2,897,091,791.13
  5. Step 5: Solve for x
    x = 2,897,091,791.13/62,100.10
  6. Step 6: Final answer
    x = 46,651.97

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1.5x scale

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.