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Finding the Fourth Proportional to 11,284.80, 16,901.12 and 10,749.12

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Solution

The fourth proportional to 11,284.80, 16,901.12 and 10,749.12 is: 16,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.80 : 16,901.12 = 10,749.12 : x
  2. Step 2: Convert to fraction form
    11,284.80/16,901.12 = 10,749.12/x
  3. Step 3: Cross multiply
    11,284.80x = 16,901.12 × 10,749.12
  4. Step 4: Simplify right side
    11,284.80x = 181,672,167.01
  5. Step 5: Solve for x
    x = 181,672,167.01/11,284.80
  6. Step 6: Final answer
    x = 16,098.84

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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.