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Finding the Fourth Proportional to 18,000.15, 26,996.76 and 4,849.22

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Solution

The fourth proportional to 18,000.15, 26,996.76 and 4,849.22 is: 7,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.15 : 26,996.76 = 4,849.22 : x
  2. Step 2: Convert to fraction form
    18,000.15/26,996.76 = 4,849.22/x
  3. Step 3: Cross multiply
    18,000.15x = 26,996.76 × 4,849.22
  4. Step 4: Simplify right side
    18,000.15x = 130,913,093.54
  5. Step 5: Solve for x
    x = 130,913,093.54/18,000.15
  6. Step 6: Final answer
    x = 7,272.89

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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.