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Finding the Fourth Proportional to 59,775.82, 89,662.92 and 20,360.44

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Solution

The fourth proportional to 59,775.82, 89,662.92 and 20,360.44 is: 30,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,775.82 : 89,662.92 = 20,360.44 : x
  2. Step 2: Convert to fraction form
    59,775.82/89,662.92 = 20,360.44/x
  3. Step 3: Cross multiply
    59,775.82x = 89,662.92 × 20,360.44
  4. Step 4: Simplify right side
    59,775.82x = 1,825,576,502.88
  5. Step 5: Solve for x
    x = 1,825,576,502.88/59,775.82
  6. Step 6: Final answer
    x = 30,540.38

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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.