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Finding the Fourth Proportional to 56,267.60, 84,410.85 and 16,828.70

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Solution

The fourth proportional to 56,267.60, 84,410.85 and 16,828.70 is: 25,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.60 : 84,410.85 = 16,828.70 : x
  2. Step 2: Convert to fraction form
    56,267.60/84,410.85 = 16,828.70/x
  3. Step 3: Cross multiply
    56,267.60x = 84,410.85 × 16,828.70
  4. Step 4: Simplify right side
    56,267.60x = 1,420,524,871.40
  5. Step 5: Solve for x
    x = 1,420,524,871.40/56,267.60
  6. Step 6: Final answer
    x = 25,245.88

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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.