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Finding the Fourth Proportional to 22,813.21, 34,223.11 and 7,019.60

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Solution

The fourth proportional to 22,813.21, 34,223.11 and 7,019.60 is: 10,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.21 : 34,223.11 = 7,019.60 : x
  2. Step 2: Convert to fraction form
    22,813.21/34,223.11 = 7,019.60/x
  3. Step 3: Cross multiply
    22,813.21x = 34,223.11 × 7,019.60
  4. Step 4: Simplify right side
    22,813.21x = 240,232,354.29
  5. Step 5: Solve for x
    x = 240,232,354.29/22,813.21
  6. Step 6: Final answer
    x = 10,530.41

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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.