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Finding the Fourth Proportional to 59,908.69, 89,863.04 and 20,466.15

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Solution

The fourth proportional to 59,908.69, 89,863.04 and 20,466.15 is: 30,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,908.69 : 89,863.04 = 20,466.15 : x
  2. Step 2: Convert to fraction form
    59,908.69/89,863.04 = 20,466.15/x
  3. Step 3: Cross multiply
    59,908.69x = 89,863.04 × 20,466.15
  4. Step 4: Simplify right side
    59,908.69x = 1,839,150,170.27
  5. Step 5: Solve for x
    x = 1,839,150,170.27/59,908.69
  6. Step 6: Final answer
    x = 30,699.22

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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.