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Finding the Fourth Proportional to 22,168.48, 30,593.28 and 12,735.28

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Solution

The fourth proportional to 22,168.48, 30,593.28 and 12,735.28 is: 17,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.48 : 30,593.28 = 12,735.28 : x
  2. Step 2: Convert to fraction form
    22,168.48/30,593.28 = 12,735.28/x
  3. Step 3: Cross multiply
    22,168.48x = 30,593.28 × 12,735.28
  4. Step 4: Simplify right side
    22,168.48x = 389,613,986.92
  5. Step 5: Solve for x
    x = 389,613,986.92/22,168.48
  6. Step 6: Final answer
    x = 17,575.13

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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.