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Finding the Fourth Proportional to 11,296.70, 16,947.74 and 3,901.22

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Solution

The fourth proportional to 11,296.70, 16,947.74 and 3,901.22 is: 5,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.70 : 16,947.74 = 3,901.22 : x
  2. Step 2: Convert to fraction form
    11,296.70/16,947.74 = 3,901.22/x
  3. Step 3: Cross multiply
    11,296.70x = 16,947.74 × 3,901.22
  4. Step 4: Simplify right side
    11,296.70x = 66,116,862.24
  5. Step 5: Solve for x
    x = 66,116,862.24/11,296.70
  6. Step 6: Final answer
    x = 5,852.76

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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.