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Finding the Fourth Proportional to 50,799.84, 76,204.80 and 21,226.92

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Solution

The fourth proportional to 50,799.84, 76,204.80 and 21,226.92 is: 31,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.84 : 76,204.80 = 21,226.92 : x
  2. Step 2: Convert to fraction form
    50,799.84/76,204.80 = 21,226.92/x
  3. Step 3: Cross multiply
    50,799.84x = 76,204.80 × 21,226.92
  4. Step 4: Simplify right side
    50,799.84x = 1,617,593,193.22
  5. Step 5: Solve for x
    x = 1,617,593,193.22/50,799.84
  6. Step 6: Final answer
    x = 31,842.49

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1.5x scale

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.