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Finding the Fourth Proportional to 8,791.98, 13,190.67 and 3,598.26

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Solution

The fourth proportional to 8,791.98, 13,190.67 and 3,598.26 is: 5,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.98 : 13,190.67 = 3,598.26 : x
  2. Step 2: Convert to fraction form
    8,791.98/13,190.67 = 3,598.26/x
  3. Step 3: Cross multiply
    8,791.98x = 13,190.67 × 3,598.26
  4. Step 4: Simplify right side
    8,791.98x = 47,463,460.23
  5. Step 5: Solve for x
    x = 47,463,460.23/8,791.98
  6. Step 6: Final answer
    x = 5,398.50

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Double scale
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Similar ratio
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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.