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Finding the Fourth Proportional to 50,990.72, 76,459.79 and 22,886.68

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Solution

The fourth proportional to 50,990.72, 76,459.79 and 22,886.68 is: 34,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.72 : 76,459.79 = 22,886.68 : x
  2. Step 2: Convert to fraction form
    50,990.72/76,459.79 = 22,886.68/x
  3. Step 3: Cross multiply
    50,990.72x = 76,459.79 × 22,886.68
  4. Step 4: Simplify right side
    50,990.72x = 1,749,910,380.06
  5. Step 5: Solve for x
    x = 1,749,910,380.06/50,990.72
  6. Step 6: Final answer
    x = 34,318.22

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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.