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Finding the Fourth Proportional to 72,212.97, 108,292.91 and 24,814.62

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Solution

The fourth proportional to 72,212.97, 108,292.91 and 24,814.62 is: 37,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,212.97 : 108,292.91 = 24,814.62 : x
  2. Step 2: Convert to fraction form
    72,212.97/108,292.91 = 24,814.62/x
  3. Step 3: Cross multiply
    72,212.97x = 108,292.91 × 24,814.62
  4. Step 4: Simplify right side
    72,212.97x = 2,687,247,410.34
  5. Step 5: Solve for x
    x = 2,687,247,410.34/72,212.97
  6. Step 6: Final answer
    x = 37,212.81

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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.