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Finding the Fourth Proportional to 50,990.60, 76,459.64 and 22,886.56

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Solution

The fourth proportional to 50,990.60, 76,459.64 and 22,886.56 is: 34,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.60 : 76,459.64 = 22,886.56 : x
  2. Step 2: Convert to fraction form
    50,990.60/76,459.64 = 22,886.56/x
  3. Step 3: Cross multiply
    50,990.60x = 76,459.64 × 22,886.56
  4. Step 4: Simplify right side
    50,990.60x = 1,749,898,024.01
  5. Step 5: Solve for x
    x = 1,749,898,024.01/50,990.60
  6. Step 6: Final answer
    x = 34,318.05

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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.