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Finding the Fourth Proportional to 62,834.74, 86,709.74 and 34,540.23

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Solution

The fourth proportional to 62,834.74, 86,709.74 and 34,540.23 is: 47,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,834.74 : 86,709.74 = 34,540.23 : x
  2. Step 2: Convert to fraction form
    62,834.74/86,709.74 = 34,540.23/x
  3. Step 3: Cross multiply
    62,834.74x = 86,709.74 × 34,540.23
  4. Step 4: Simplify right side
    62,834.74x = 2,994,973,929.29
  5. Step 5: Solve for x
    x = 2,994,973,929.29/62,834.74
  6. Step 6: Final answer
    x = 47,664.30

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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.