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Finding the Fourth Proportional to 12,182.67, 18,273.96 and 2,948.67

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Solution

The fourth proportional to 12,182.67, 18,273.96 and 2,948.67 is: 4,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.67 : 18,273.96 = 2,948.67 : x
  2. Step 2: Convert to fraction form
    12,182.67/18,273.96 = 2,948.67/x
  3. Step 3: Cross multiply
    12,182.67x = 18,273.96 × 2,948.67
  4. Step 4: Simplify right side
    12,182.67x = 53,883,877.63
  5. Step 5: Solve for x
    x = 53,883,877.63/12,182.67
  6. Step 6: Final answer
    x = 4,422.99

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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.