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Finding the Fourth Proportional to 7,493.94, 11,240.64 and 1,947.33

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Solution

The fourth proportional to 7,493.94, 11,240.64 and 1,947.33 is: 2,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.94 : 11,240.64 = 1,947.33 : x
  2. Step 2: Convert to fraction form
    7,493.94/11,240.64 = 1,947.33/x
  3. Step 3: Cross multiply
    7,493.94x = 11,240.64 × 1,947.33
  4. Step 4: Simplify right side
    7,493.94x = 21,889,235.49
  5. Step 5: Solve for x
    x = 21,889,235.49/7,493.94
  6. Step 6: Final answer
    x = 2,920.92

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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.