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Finding the Fourth Proportional to 63,388.99, 87,474.09 and 34,708.13

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Solution

The fourth proportional to 63,388.99, 87,474.09 and 34,708.13 is: 47,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.99 : 87,474.09 = 34,708.13 : x
  2. Step 2: Convert to fraction form
    63,388.99/87,474.09 = 34,708.13/x
  3. Step 3: Cross multiply
    63,388.99x = 87,474.09 × 34,708.13
  4. Step 4: Simplify right side
    63,388.99x = 3,036,062,087.35
  5. Step 5: Solve for x
    x = 3,036,062,087.35/63,388.99
  6. Step 6: Final answer
    x = 47,895.73

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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.