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Finding the Fourth Proportional to 22,545.81, 33,809.30 and 6,745.14

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Solution

The fourth proportional to 22,545.81, 33,809.30 and 6,745.14 is: 10,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.81 : 33,809.30 = 6,745.14 : x
  2. Step 2: Convert to fraction form
    22,545.81/33,809.30 = 6,745.14/x
  3. Step 3: Cross multiply
    22,545.81x = 33,809.30 × 6,745.14
  4. Step 4: Simplify right side
    22,545.81x = 228,048,453.37
  5. Step 5: Solve for x
    x = 228,048,453.37/22,545.81
  6. Step 6: Final answer
    x = 10,114.89

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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.