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Finding the Fourth Proportional to 62,883.70, 86,777.69 and 34,589.39

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Solution

The fourth proportional to 62,883.70, 86,777.69 and 34,589.39 is: 47,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.70 : 86,777.69 = 34,589.39 : x
  2. Step 2: Convert to fraction form
    62,883.70/86,777.69 = 34,589.39/x
  3. Step 3: Cross multiply
    62,883.70x = 86,777.69 × 34,589.39
  4. Step 4: Simplify right side
    62,883.70x = 3,001,587,362.71
  5. Step 5: Solve for x
    x = 3,001,587,362.71/62,883.70
  6. Step 6: Final answer
    x = 47,732.36

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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.