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Finding the Fourth Proportional to 12,674.95, 17,491.41 and 6,932.41

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Solution

The fourth proportional to 12,674.95, 17,491.41 and 6,932.41 is: 9,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.95 : 17,491.41 = 6,932.41 : x
  2. Step 2: Convert to fraction form
    12,674.95/17,491.41 = 6,932.41/x
  3. Step 3: Cross multiply
    12,674.95x = 17,491.41 × 6,932.41
  4. Step 4: Simplify right side
    12,674.95x = 121,257,581.87
  5. Step 5: Solve for x
    x = 121,257,581.87/12,674.95
  6. Step 6: Final answer
    x = 9,566.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.