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Finding the Fourth Proportional to 48,793.08, 73,187.90 and 20,695.08

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Solution

The fourth proportional to 48,793.08, 73,187.90 and 20,695.08 is: 31,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,793.08 : 73,187.90 = 20,695.08 : x
  2. Step 2: Convert to fraction form
    48,793.08/73,187.90 = 20,695.08/x
  3. Step 3: Cross multiply
    48,793.08x = 73,187.90 × 20,695.08
  4. Step 4: Simplify right side
    48,793.08x = 1,514,629,445.53
  5. Step 5: Solve for x
    x = 1,514,629,445.53/48,793.08
  6. Step 6: Final answer
    x = 31,041.89

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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.