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Finding the Fourth Proportional to 22,053.65, 30,434.07 and 11,982.02

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Solution

The fourth proportional to 22,053.65, 30,434.07 and 11,982.02 is: 16,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.65 : 30,434.07 = 11,982.02 : x
  2. Step 2: Convert to fraction form
    22,053.65/30,434.07 = 11,982.02/x
  3. Step 3: Cross multiply
    22,053.65x = 30,434.07 × 11,982.02
  4. Step 4: Simplify right side
    22,053.65x = 364,661,483.25
  5. Step 5: Solve for x
    x = 364,661,483.25/22,053.65
  6. Step 6: Final answer
    x = 16,535.20

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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.