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Finding the Fourth Proportional to 12,182.73, 18,274.14 and 2,948.73

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Solution

The fourth proportional to 12,182.73, 18,274.14 and 2,948.73 is: 4,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.73 : 18,274.14 = 2,948.73 : x
  2. Step 2: Convert to fraction form
    12,182.73/18,274.14 = 2,948.73/x
  3. Step 3: Cross multiply
    12,182.73x = 18,274.14 × 2,948.73
  4. Step 4: Simplify right side
    12,182.73x = 53,885,504.84
  5. Step 5: Solve for x
    x = 53,885,504.84/12,182.73
  6. Step 6: Final answer
    x = 4,423.11

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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.