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Finding the Fourth Proportional to 6,791.16, 10,181.25 and 6,404.79

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Solution

The fourth proportional to 6,791.16, 10,181.25 and 6,404.79 is: 9,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.16 : 10,181.25 = 6,404.79 : x
  2. Step 2: Convert to fraction form
    6,791.16/10,181.25 = 6,404.79/x
  3. Step 3: Cross multiply
    6,791.16x = 10,181.25 × 6,404.79
  4. Step 4: Simplify right side
    6,791.16x = 65,208,768.19
  5. Step 5: Solve for x
    x = 65,208,768.19/6,791.16
  6. Step 6: Final answer
    x = 9,602.01

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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.