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Finding the Fourth Proportional to 12,246.58, 18,371.09 and 5,674.65

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Solution

The fourth proportional to 12,246.58, 18,371.09 and 5,674.65 is: 8,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.58 : 18,371.09 = 5,674.65 : x
  2. Step 2: Convert to fraction form
    12,246.58/18,371.09 = 5,674.65/x
  3. Step 3: Cross multiply
    12,246.58x = 18,371.09 × 5,674.65
  4. Step 4: Simplify right side
    12,246.58x = 104,249,505.87
  5. Step 5: Solve for x
    x = 104,249,505.87/12,246.58
  6. Step 6: Final answer
    x = 8,512.54

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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.