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Finding the Fourth Proportional to 22,270.68, 33,409.71 and 8,230.73

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Solution

The fourth proportional to 22,270.68, 33,409.71 and 8,230.73 is: 12,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.68 : 33,409.71 = 8,230.73 : x
  2. Step 2: Convert to fraction form
    22,270.68/33,409.71 = 8,230.73/x
  3. Step 3: Cross multiply
    22,270.68x = 33,409.71 × 8,230.73
  4. Step 4: Simplify right side
    22,270.68x = 274,986,135.34
  5. Step 5: Solve for x
    x = 274,986,135.34/22,270.68
  6. Step 6: Final answer
    x = 12,347.45

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Half scale
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Double scale
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Similar ratio
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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.