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Finding the Fourth Proportional to 62,205.78, 85,843.78 and 33,911.47

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Solution

The fourth proportional to 62,205.78, 85,843.78 and 33,911.47 is: 46,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.78 : 85,843.78 = 33,911.47 : x
  2. Step 2: Convert to fraction form
    62,205.78/85,843.78 = 33,911.47/x
  3. Step 3: Cross multiply
    62,205.78x = 85,843.78 × 33,911.47
  4. Step 4: Simplify right side
    62,205.78x = 2,911,088,770.16
  5. Step 5: Solve for x
    x = 2,911,088,770.16/62,205.78
  6. Step 6: Final answer
    x = 46,797.72

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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.