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Finding the Fourth Proportional to 52,794.68, 79,191.99 and 21,204.73

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Solution

The fourth proportional to 52,794.68, 79,191.99 and 21,204.73 is: 31,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.68 : 79,191.99 = 21,204.73 : x
  2. Step 2: Convert to fraction form
    52,794.68/79,191.99 = 21,204.73/x
  3. Step 3: Cross multiply
    52,794.68x = 79,191.99 × 21,204.73
  4. Step 4: Simplify right side
    52,794.68x = 1,679,244,568.13
  5. Step 5: Solve for x
    x = 1,679,244,568.13/52,794.68
  6. Step 6: Final answer
    x = 31,807.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.