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Finding the Fourth Proportional to 62,698.66, 86,522.97 and 34,404.10

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Solution

The fourth proportional to 62,698.66, 86,522.97 and 34,404.10 is: 47,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,698.66 : 86,522.97 = 34,404.10 : x
  2. Step 2: Convert to fraction form
    62,698.66/86,522.97 = 34,404.10/x
  3. Step 3: Cross multiply
    62,698.66x = 86,522.97 × 34,404.10
  4. Step 4: Simplify right side
    62,698.66x = 2,976,744,912.18
  5. Step 5: Solve for x
    x = 2,976,744,912.18/62,698.66
  6. Step 6: Final answer
    x = 47,477.01

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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.