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Finding the Fourth Proportional to 22,293.66, 30,786.08 and 14,349.69

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Solution

The fourth proportional to 22,293.66, 30,786.08 and 14,349.69 is: 19,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.66 : 30,786.08 = 14,349.69 : x
  2. Step 2: Convert to fraction form
    22,293.66/30,786.08 = 14,349.69/x
  3. Step 3: Cross multiply
    22,293.66x = 30,786.08 × 14,349.69
  4. Step 4: Simplify right side
    22,293.66x = 441,770,632.57
  5. Step 5: Solve for x
    x = 441,770,632.57/22,293.66
  6. Step 6: Final answer
    x = 19,815.97

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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.