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Finding the Fourth Proportional to 72,596.44, 108,902.19 and 20,005.93

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Solution

The fourth proportional to 72,596.44, 108,902.19 and 20,005.93 is: 30,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,596.44 : 108,902.19 = 20,005.93 : x
  2. Step 2: Convert to fraction form
    72,596.44/108,902.19 = 20,005.93/x
  3. Step 3: Cross multiply
    72,596.44x = 108,902.19 × 20,005.93
  4. Step 4: Simplify right side
    72,596.44x = 2,178,689,589.99
  5. Step 5: Solve for x
    x = 2,178,689,589.99/72,596.44
  6. Step 6: Final answer
    x = 30,010.97

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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.