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Finding the Fourth Proportional to 9,367.88, 13,947.41 and 9,237.05

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Solution

The fourth proportional to 9,367.88, 13,947.41 and 9,237.05 is: 13,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.88 : 13,947.41 = 9,237.05 : x
  2. Step 2: Convert to fraction form
    9,367.88/13,947.41 = 9,237.05/x
  3. Step 3: Cross multiply
    9,367.88x = 13,947.41 × 9,237.05
  4. Step 4: Simplify right side
    9,367.88x = 128,832,923.54
  5. Step 5: Solve for x
    x = 128,832,923.54/9,367.88
  6. Step 6: Final answer
    x = 13,752.62

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.