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Finding the Fourth Proportional to 22,269.90, 33,404.85 and 22,116.30

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Solution

The fourth proportional to 22,269.90, 33,404.85 and 22,116.30 is: 33,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.90 : 33,404.85 = 22,116.30 : x
  2. Step 2: Convert to fraction form
    22,269.90/33,404.85 = 22,116.30/x
  3. Step 3: Cross multiply
    22,269.90x = 33,404.85 × 22,116.30
  4. Step 4: Simplify right side
    22,269.90x = 738,791,684.06
  5. Step 5: Solve for x
    x = 738,791,684.06/22,269.90
  6. Step 6: Final answer
    x = 33,174.45

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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.