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Finding the Fourth Proportional to 59,889.96, 89,832.36 and 20,424.24

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Solution

The fourth proportional to 59,889.96, 89,832.36 and 20,424.24 is: 30,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.96 : 89,832.36 = 20,424.24 : x
  2. Step 2: Convert to fraction form
    59,889.96/89,832.36 = 20,424.24/x
  3. Step 3: Cross multiply
    59,889.96x = 89,832.36 × 20,424.24
  4. Step 4: Simplify right side
    59,889.96x = 1,834,757,680.41
  5. Step 5: Solve for x
    x = 1,834,757,680.41/59,889.96
  6. Step 6: Final answer
    x = 30,635.48

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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.