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Finding the Fourth Proportional to 62,290.69, 85,963.01 and 33,998.20

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Solution

The fourth proportional to 62,290.69, 85,963.01 and 33,998.20 is: 46,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.69 : 85,963.01 = 33,998.20 : x
  2. Step 2: Convert to fraction form
    62,290.69/85,963.01 = 33,998.20/x
  3. Step 3: Cross multiply
    62,290.69x = 85,963.01 × 33,998.20
  4. Step 4: Simplify right side
    62,290.69x = 2,922,587,221.68
  5. Step 5: Solve for x
    x = 2,922,587,221.68/62,290.69
  6. Step 6: Final answer
    x = 46,918.53

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Double scale
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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.