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Finding the Fourth Proportional to 6,372.25, 8,791.25 and 4,697.63

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Solution

The fourth proportional to 6,372.25, 8,791.25 and 4,697.63 is: 6,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.25 : 8,791.25 = 4,697.63 : x
  2. Step 2: Convert to fraction form
    6,372.25/8,791.25 = 4,697.63/x
  3. Step 3: Cross multiply
    6,372.25x = 8,791.25 × 4,697.63
  4. Step 4: Simplify right side
    6,372.25x = 41,298,005.26
  5. Step 5: Solve for x
    x = 41,298,005.26/6,372.25
  6. Step 6: Final answer
    x = 6,480.92

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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.