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Finding the Fourth Proportional to 18,526.68, 27,794.82 and 7,433.76

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Solution

The fourth proportional to 18,526.68, 27,794.82 and 7,433.76 is: 11,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.68 : 27,794.82 = 7,433.76 : x
  2. Step 2: Convert to fraction form
    18,526.68/27,794.82 = 7,433.76/x
  3. Step 3: Cross multiply
    18,526.68x = 27,794.82 × 7,433.76
  4. Step 4: Simplify right side
    18,526.68x = 206,620,021.12
  5. Step 5: Solve for x
    x = 206,620,021.12/18,526.68
  6. Step 6: Final answer
    x = 11,152.57

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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.