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Finding the Fourth Proportional to 60,561.27, 90,835.02 and 16,191.90

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Solution

The fourth proportional to 60,561.27, 90,835.02 and 16,191.90 is: 24,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,561.27 : 90,835.02 = 16,191.90 : x
  2. Step 2: Convert to fraction form
    60,561.27/90,835.02 = 16,191.90/x
  3. Step 3: Cross multiply
    60,561.27x = 90,835.02 × 16,191.90
  4. Step 4: Simplify right side
    60,561.27x = 1,470,791,560.34
  5. Step 5: Solve for x
    x = 1,470,791,560.34/60,561.27
  6. Step 6: Final answer
    x = 24,286.01

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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.