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Finding the Fourth Proportional to 17,799.70, 26,699.52 and 7,274.67

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Solution

The fourth proportional to 17,799.70, 26,699.52 and 7,274.67 is: 10,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.70 : 26,699.52 = 7,274.67 : x
  2. Step 2: Convert to fraction form
    17,799.70/26,699.52 = 7,274.67/x
  3. Step 3: Cross multiply
    17,799.70x = 26,699.52 × 7,274.67
  4. Step 4: Simplify right side
    17,799.70x = 194,230,197.16
  5. Step 5: Solve for x
    x = 194,230,197.16/17,799.70
  6. Step 6: Final answer
    x = 10,911.99

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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.