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Finding the Fourth Proportional to 6,791.85, 9,341.73 and 5,462.64

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Solution

The fourth proportional to 6,791.85, 9,341.73 and 5,462.64 is: 7,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.85 : 9,341.73 = 5,462.64 : x
  2. Step 2: Convert to fraction form
    6,791.85/9,341.73 = 5,462.64/x
  3. Step 3: Cross multiply
    6,791.85x = 9,341.73 × 5,462.64
  4. Step 4: Simplify right side
    6,791.85x = 51,030,507.97
  5. Step 5: Solve for x
    x = 51,030,507.97/6,791.85
  6. Step 6: Final answer
    x = 7,513.49

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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.