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Finding the Fourth Proportional to 22,105.80, 33,085.80 and 15,544.80

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Solution

The fourth proportional to 22,105.80, 33,085.80 and 15,544.80 is: 23,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.80 : 33,085.80 = 15,544.80 : x
  2. Step 2: Convert to fraction form
    22,105.80/33,085.80 = 15,544.80/x
  3. Step 3: Cross multiply
    22,105.80x = 33,085.80 × 15,544.80
  4. Step 4: Simplify right side
    22,105.80x = 514,312,143.84
  5. Step 5: Solve for x
    x = 514,312,143.84/22,105.80
  6. Step 6: Final answer
    x = 23,265.94

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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.