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Finding the Fourth Proportional to 6,791.60, 9,372.84 and 4,440.08

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Solution

The fourth proportional to 6,791.60, 9,372.84 and 4,440.08 is: 6,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.60 : 9,372.84 = 4,440.08 : x
  2. Step 2: Convert to fraction form
    6,791.60/9,372.84 = 4,440.08/x
  3. Step 3: Cross multiply
    6,791.60x = 9,372.84 × 4,440.08
  4. Step 4: Simplify right side
    6,791.60x = 41,616,159.43
  5. Step 5: Solve for x
    x = 41,616,159.43/6,791.60
  6. Step 6: Final answer
    x = 6,127.59

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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.