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Finding the Fourth Proportional to 48,369.33, 72,582.01 and 20,286.88

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Solution

The fourth proportional to 48,369.33, 72,582.01 and 20,286.88 is: 30,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.33 : 72,582.01 = 20,286.88 : x
  2. Step 2: Convert to fraction form
    48,369.33/72,582.01 = 20,286.88/x
  3. Step 3: Cross multiply
    48,369.33x = 72,582.01 × 20,286.88
  4. Step 4: Simplify right side
    48,369.33x = 1,472,462,294.86
  5. Step 5: Solve for x
    x = 1,472,462,294.86/48,369.33
  6. Step 6: Final answer
    x = 30,442.07

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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.