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Finding the Fourth Proportional to 22,318.48, 30,799.48 and 12,246.98

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Solution

The fourth proportional to 22,318.48, 30,799.48 and 12,246.98 is: 16,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.48 : 30,799.48 = 12,246.98 : x
  2. Step 2: Convert to fraction form
    22,318.48/30,799.48 = 12,246.98/x
  3. Step 3: Cross multiply
    22,318.48x = 30,799.48 × 12,246.98
  4. Step 4: Simplify right side
    22,318.48x = 377,200,615.57
  5. Step 5: Solve for x
    x = 377,200,615.57/22,318.48
  6. Step 6: Final answer
    x = 16,900.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.