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Finding the Fourth Proportional to 59,480.43, 89,228.89 and 20,048.82

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Solution

The fourth proportional to 59,480.43, 89,228.89 and 20,048.82 is: 30,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,480.43 : 89,228.89 = 20,048.82 : x
  2. Step 2: Convert to fraction form
    59,480.43/89,228.89 = 20,048.82/x
  3. Step 3: Cross multiply
    59,480.43x = 89,228.89 × 20,048.82
  4. Step 4: Simplify right side
    59,480.43x = 1,788,933,644.86
  5. Step 5: Solve for x
    x = 1,788,933,644.86/59,480.43
  6. Step 6: Final answer
    x = 30,076.01

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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.