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Finding the Fourth Proportional to 20,036.92, 27,635.94 and 17,770.92

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Solution

The fourth proportional to 20,036.92, 27,635.94 and 17,770.92 is: 24,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.92 : 27,635.94 = 17,770.92 : x
  2. Step 2: Convert to fraction form
    20,036.92/27,635.94 = 17,770.92/x
  3. Step 3: Cross multiply
    20,036.92x = 27,635.94 × 17,770.92
  4. Step 4: Simplify right side
    20,036.92x = 491,116,078.86
  5. Step 5: Solve for x
    x = 491,116,078.86/20,036.92
  6. Step 6: Final answer
    x = 24,510.56

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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.