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Finding the Fourth Proportional to 56,101.76, 84,144.48 and 16,651.52

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Solution

The fourth proportional to 56,101.76, 84,144.48 and 16,651.52 is: 24,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.76 : 84,144.48 = 16,651.52 : x
  2. Step 2: Convert to fraction form
    56,101.76/84,144.48 = 16,651.52/x
  3. Step 3: Cross multiply
    56,101.76x = 84,144.48 × 16,651.52
  4. Step 4: Simplify right side
    56,101.76x = 1,401,133,491.61
  5. Step 5: Solve for x
    x = 1,401,133,491.61/56,101.76
  6. Step 6: Final answer
    x = 24,974.86

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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.