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Finding the Fourth Proportional to 22,497.33, 33,720.39 and 9,998.58

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Solution

The fourth proportional to 22,497.33, 33,720.39 and 9,998.58 is: 14,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.33 : 33,720.39 = 9,998.58 : x
  2. Step 2: Convert to fraction form
    22,497.33/33,720.39 = 9,998.58/x
  3. Step 3: Cross multiply
    22,497.33x = 33,720.39 × 9,998.58
  4. Step 4: Simplify right side
    22,497.33x = 337,156,017.05
  5. Step 5: Solve for x
    x = 337,156,017.05/22,497.33
  6. Step 6: Final answer
    x = 14,986.49

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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.