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Finding the Fourth Proportional to 71,721.99, 107,599.59 and 24,334.56

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Solution

The fourth proportional to 71,721.99, 107,599.59 and 24,334.56 is: 36,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721.99 : 107,599.59 = 24,334.56 : x
  2. Step 2: Convert to fraction form
    71,721.99/107,599.59 = 24,334.56/x
  3. Step 3: Cross multiply
    71,721.99x = 107,599.59 × 24,334.56
  4. Step 4: Simplify right side
    71,721.99x = 2,618,388,678.83
  5. Step 5: Solve for x
    x = 2,618,388,678.83/71,721.99
  6. Step 6: Final answer
    x = 36,507.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.