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Finding the Fourth Proportional to 5,193.69, 7,799.18 and 5,153.37

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Solution

The fourth proportional to 5,193.69, 7,799.18 and 5,153.37 is: 7,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.69 : 7,799.18 = 5,153.37 : x
  2. Step 2: Convert to fraction form
    5,193.69/7,799.18 = 5,153.37/x
  3. Step 3: Cross multiply
    5,193.69x = 7,799.18 × 5,153.37
  4. Step 4: Simplify right side
    5,193.69x = 40,192,034.47
  5. Step 5: Solve for x
    x = 40,192,034.47/5,193.69
  6. Step 6: Final answer
    x = 7,738.63

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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.