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Finding the Fourth Proportional to 7,791.04, 10,747.64 and 5,273.24

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Solution

The fourth proportional to 7,791.04, 10,747.64 and 5,273.24 is: 7,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.04 : 10,747.64 = 5,273.24 : x
  2. Step 2: Convert to fraction form
    7,791.04/10,747.64 = 5,273.24/x
  3. Step 3: Cross multiply
    7,791.04x = 10,747.64 × 5,273.24
  4. Step 4: Simplify right side
    7,791.04x = 56,674,885.15
  5. Step 5: Solve for x
    x = 56,674,885.15/7,791.04
  6. Step 6: Final answer
    x = 7,274.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.