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Finding the Fourth Proportional to 62,706.88, 86,535.49 and 34,412.56

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Solution

The fourth proportional to 62,706.88, 86,535.49 and 34,412.56 is: 47,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.88 : 86,535.49 = 34,412.56 : x
  2. Step 2: Convert to fraction form
    62,706.88/86,535.49 = 34,412.56/x
  3. Step 3: Cross multiply
    62,706.88x = 86,535.49 × 34,412.56
  4. Step 4: Simplify right side
    62,706.88x = 2,977,907,741.75
  5. Step 5: Solve for x
    x = 2,977,907,741.75/62,706.88
  6. Step 6: Final answer
    x = 47,489.33

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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.