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Finding the Fourth Proportional to 59,908.88, 89,863.32 and 20,466.33

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Solution

The fourth proportional to 59,908.88, 89,863.32 and 20,466.33 is: 30,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,908.88 : 89,863.32 = 20,466.33 : x
  2. Step 2: Convert to fraction form
    59,908.88/89,863.32 = 20,466.33/x
  3. Step 3: Cross multiply
    59,908.88x = 89,863.32 × 20,466.33
  4. Step 4: Simplify right side
    59,908.88x = 1,839,172,362.02
  5. Step 5: Solve for x
    x = 1,839,172,362.02/59,908.88
  6. Step 6: Final answer
    x = 30,699.50

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Similar ratio
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1.5x scale

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.