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Finding the Fourth Proportional to 22,653.96, 33,751.29 and 21,538.64

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Solution

The fourth proportional to 22,653.96, 33,751.29 and 21,538.64 is: 32,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.96 : 33,751.29 = 21,538.64 : x
  2. Step 2: Convert to fraction form
    22,653.96/33,751.29 = 21,538.64/x
  3. Step 3: Cross multiply
    22,653.96x = 33,751.29 × 21,538.64
  4. Step 4: Simplify right side
    22,653.96x = 726,956,884.85
  5. Step 5: Solve for x
    x = 726,956,884.85/22,653.96
  6. Step 6: Final answer
    x = 32,089.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.