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Finding the Fourth Proportional to 62,630.82, 86,430.42 and 34,338.33

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Solution

The fourth proportional to 62,630.82, 86,430.42 and 34,338.33 is: 47,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.82 : 86,430.42 = 34,338.33 : x
  2. Step 2: Convert to fraction form
    62,630.82/86,430.42 = 34,338.33/x
  3. Step 3: Cross multiply
    62,630.82x = 86,430.42 × 34,338.33
  4. Step 4: Simplify right side
    62,630.82x = 2,967,876,284.00
  5. Step 5: Solve for x
    x = 2,967,876,284.00/62,630.82
  6. Step 6: Final answer
    x = 47,386.83

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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.