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Finding the Fourth Proportional to 7,392.58, 11,090.79 and 3,694.66

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Solution

The fourth proportional to 7,392.58, 11,090.79 and 3,694.66 is: 5,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.58 : 11,090.79 = 3,694.66 : x
  2. Step 2: Convert to fraction form
    7,392.58/11,090.79 = 3,694.66/x
  3. Step 3: Cross multiply
    7,392.58x = 11,090.79 × 3,694.66
  4. Step 4: Simplify right side
    7,392.58x = 40,976,698.18
  5. Step 5: Solve for x
    x = 40,976,698.18/7,392.58
  6. Step 6: Final answer
    x = 5,542.95

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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.