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Finding the Fourth Proportional to 22,037.97, 30,412.21 and 11,966.21

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Solution

The fourth proportional to 22,037.97, 30,412.21 and 11,966.21 is: 16,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.97 : 30,412.21 = 11,966.21 : x
  2. Step 2: Convert to fraction form
    22,037.97/30,412.21 = 11,966.21/x
  3. Step 3: Cross multiply
    22,037.97x = 30,412.21 × 11,966.21
  4. Step 4: Simplify right side
    22,037.97x = 363,918,891.42
  5. Step 5: Solve for x
    x = 363,918,891.42/22,037.97
  6. Step 6: Final answer
    x = 16,513.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.