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Finding the Fourth Proportional to 22,066.53, 30,452.02 and 11,995

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Solution

The fourth proportional to 22,066.53, 30,452.02 and 11,995 is: 16,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.53 : 30,452.02 = 11,995 : x
  2. Step 2: Convert to fraction form
    22,066.53/30,452.02 = 11,995/x
  3. Step 3: Cross multiply
    22,066.53x = 30,452.02 × 11,995
  4. Step 4: Simplify right side
    22,066.53x = 365,271,979.90
  5. Step 5: Solve for x
    x = 365,271,979.90/22,066.53
  6. Step 6: Final answer
    x = 16,553.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.