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Finding the Fourth Proportional to 48,250.27, 72,393.63 and 18,669.88

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Solution

The fourth proportional to 48,250.27, 72,393.63 and 18,669.88 is: 28,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,250.27 : 72,393.63 = 18,669.88 : x
  2. Step 2: Convert to fraction form
    48,250.27/72,393.63 = 18,669.88/x
  3. Step 3: Cross multiply
    48,250.27x = 72,393.63 × 18,669.88
  4. Step 4: Simplify right side
    48,250.27x = 1,351,580,384.86
  5. Step 5: Solve for x
    x = 1,351,580,384.86/48,250.27
  6. Step 6: Final answer
    x = 28,011.87

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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.