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Finding the Fourth Proportional to 22,155.53, 33,223.58 and 8,294.81

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Solution

The fourth proportional to 22,155.53, 33,223.58 and 8,294.81 is: 12,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.53 : 33,223.58 = 8,294.81 : x
  2. Step 2: Convert to fraction form
    22,155.53/33,223.58 = 8,294.81/x
  3. Step 3: Cross multiply
    22,155.53x = 33,223.58 × 8,294.81
  4. Step 4: Simplify right side
    22,155.53x = 275,583,325.20
  5. Step 5: Solve for x
    x = 275,583,325.20/22,155.53
  6. Step 6: Final answer
    x = 12,438.58

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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.