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Finding the Fourth Proportional to 22,185.84, 33,285.08 and 7,404.44

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Solution

The fourth proportional to 22,185.84, 33,285.08 and 7,404.44 is: 11,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.84 : 33,285.08 = 7,404.44 : x
  2. Step 2: Convert to fraction form
    22,185.84/33,285.08 = 7,404.44/x
  3. Step 3: Cross multiply
    22,185.84x = 33,285.08 × 7,404.44
  4. Step 4: Simplify right side
    22,185.84x = 246,457,377.76
  5. Step 5: Solve for x
    x = 246,457,377.76/22,185.84
  6. Step 6: Final answer
    x = 11,108.77

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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.