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Finding the Fourth Proportional to 22,811.39, 34,218.30 and 7,230.23

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Solution

The fourth proportional to 22,811.39, 34,218.30 and 7,230.23 is: 10,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.39 : 34,218.30 = 7,230.23 : x
  2. Step 2: Convert to fraction form
    22,811.39/34,218.30 = 7,230.23/x
  3. Step 3: Cross multiply
    22,811.39x = 34,218.30 × 7,230.23
  4. Step 4: Simplify right side
    22,811.39x = 247,406,291.87
  5. Step 5: Solve for x
    x = 247,406,291.87/22,811.39
  6. Step 6: Final answer
    x = 10,845.73

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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.