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Finding the Fourth Proportional to 48,247.86, 72,354.03 and 16,649.87

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Solution

The fourth proportional to 48,247.86, 72,354.03 and 16,649.87 is: 24,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,247.86 : 72,354.03 = 16,649.87 : x
  2. Step 2: Convert to fraction form
    48,247.86/72,354.03 = 16,649.87/x
  3. Step 3: Cross multiply
    48,247.86x = 72,354.03 × 16,649.87
  4. Step 4: Simplify right side
    48,247.86x = 1,204,684,769.27
  5. Step 5: Solve for x
    x = 1,204,684,769.27/48,247.86
  6. Step 6: Final answer
    x = 24,968.67

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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.