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Finding the Fourth Proportional to 11,846.44, 17,776.14 and 8,901.28

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Solution

The fourth proportional to 11,846.44, 17,776.14 and 8,901.28 is: 13,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.44 : 17,776.14 = 8,901.28 : x
  2. Step 2: Convert to fraction form
    11,846.44/17,776.14 = 8,901.28/x
  3. Step 3: Cross multiply
    11,846.44x = 17,776.14 × 8,901.28
  4. Step 4: Simplify right side
    11,846.44x = 158,230,399.46
  5. Step 5: Solve for x
    x = 158,230,399.46/11,846.44
  6. Step 6: Final answer
    x = 13,356.79

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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.