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Finding the Fourth Proportional to 22,265.69, 33,400.15 and 7,474.48

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Solution

The fourth proportional to 22,265.69, 33,400.15 and 7,474.48 is: 11,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.69 : 33,400.15 = 7,474.48 : x
  2. Step 2: Convert to fraction form
    22,265.69/33,400.15 = 7,474.48/x
  3. Step 3: Cross multiply
    22,265.69x = 33,400.15 × 7,474.48
  4. Step 4: Simplify right side
    22,265.69x = 249,648,650.99
  5. Step 5: Solve for x
    x = 249,648,650.99/22,265.69
  6. Step 6: Final answer
    x = 11,212.26

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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.