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Finding the Fourth Proportional to 22,265.72, 33,399.66 and 18,363

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Solution

The fourth proportional to 22,265.72, 33,399.66 and 18,363 is: 27,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.72 : 33,399.66 = 18,363 : x
  2. Step 2: Convert to fraction form
    22,265.72/33,399.66 = 18,363/x
  3. Step 3: Cross multiply
    22,265.72x = 33,399.66 × 18,363
  4. Step 4: Simplify right side
    22,265.72x = 613,317,956.58
  5. Step 5: Solve for x
    x = 613,317,956.58/22,265.72
  6. Step 6: Final answer
    x = 27,545.39

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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.