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Finding the Fourth Proportional to 22,205.69, 33,185.74 and 19,892.94

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Solution

The fourth proportional to 22,205.69, 33,185.74 and 19,892.94 is: 29,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.69 : 33,185.74 = 19,892.94 : x
  2. Step 2: Convert to fraction form
    22,205.69/33,185.74 = 19,892.94/x
  3. Step 3: Cross multiply
    22,205.69x = 33,185.74 × 19,892.94
  4. Step 4: Simplify right side
    22,205.69x = 660,161,956.49
  5. Step 5: Solve for x
    x = 660,161,956.49/22,205.69
  6. Step 6: Final answer
    x = 29,729.40

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Half scale
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Double scale
Find fourth proportional to 22,206.69, 33,187.23 and 19,893.94
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.