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Finding the Fourth Proportional to 12,184.07, 18,276.14 and 2,950.07

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Solution

The fourth proportional to 12,184.07, 18,276.14 and 2,950.07 is: 4,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.07 : 18,276.14 = 2,950.07 : x
  2. Step 2: Convert to fraction form
    12,184.07/18,276.14 = 2,950.07/x
  3. Step 3: Cross multiply
    12,184.07x = 18,276.14 × 2,950.07
  4. Step 4: Simplify right side
    12,184.07x = 53,915,877.58
  5. Step 5: Solve for x
    x = 53,915,877.58/12,184.07
  6. Step 6: Final answer
    x = 4,425.11

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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.