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Finding the Fourth Proportional to 62,902.09, 86,805.03 and 34,609.60

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Solution

The fourth proportional to 62,902.09, 86,805.03 and 34,609.60 is: 47,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,902.09 : 86,805.03 = 34,609.60 : x
  2. Step 2: Convert to fraction form
    62,902.09/86,805.03 = 34,609.60/x
  3. Step 3: Cross multiply
    62,902.09x = 86,805.03 × 34,609.60
  4. Step 4: Simplify right side
    62,902.09x = 3,004,287,366.29
  5. Step 5: Solve for x
    x = 3,004,287,366.29/62,902.09
  6. Step 6: Final answer
    x = 47,761.33

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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.