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Finding the Fourth Proportional to 11,267.52, 16,900.80 and 6,679.68

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Solution

The fourth proportional to 11,267.52, 16,900.80 and 6,679.68 is: 10,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.52 : 16,900.80 = 6,679.68 : x
  2. Step 2: Convert to fraction form
    11,267.52/16,900.80 = 6,679.68/x
  3. Step 3: Cross multiply
    11,267.52x = 16,900.80 × 6,679.68
  4. Step 4: Simplify right side
    11,267.52x = 112,891,935.74
  5. Step 5: Solve for x
    x = 112,891,935.74/11,267.52
  6. Step 6: Final answer
    x = 10,019.24

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1.5x scale

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.