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Finding the Fourth Proportional to 12,033.46, 18,050.24 and 7,899.63

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Solution

The fourth proportional to 12,033.46, 18,050.24 and 7,899.63 is: 11,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.46 : 18,050.24 = 7,899.63 : x
  2. Step 2: Convert to fraction form
    12,033.46/18,050.24 = 7,899.63/x
  3. Step 3: Cross multiply
    12,033.46x = 18,050.24 × 7,899.63
  4. Step 4: Simplify right side
    12,033.46x = 142,590,169.47
  5. Step 5: Solve for x
    x = 142,590,169.47/12,033.46
  6. Step 6: Final answer
    x = 11,849.47

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Similar ratio
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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.