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Finding the Fourth Proportional to 24,142.68, 33,372.68 and 20,140.48

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Solution

The fourth proportional to 24,142.68, 33,372.68 and 20,140.48 is: 27,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,142.68 : 33,372.68 = 20,140.48 : x
  2. Step 2: Convert to fraction form
    24,142.68/33,372.68 = 20,140.48/x
  3. Step 3: Cross multiply
    24,142.68x = 33,372.68 × 20,140.48
  4. Step 4: Simplify right side
    24,142.68x = 672,141,794.09
  5. Step 5: Solve for x
    x = 672,141,794.09/24,142.68
  6. Step 6: Final answer
    x = 27,840.40

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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.