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Finding the Fourth Proportional to 12,433.42, 17,158.08 and 6,844.42

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Solution

The fourth proportional to 12,433.42, 17,158.08 and 6,844.42 is: 9,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.42 : 17,158.08 = 6,844.42 : x
  2. Step 2: Convert to fraction form
    12,433.42/17,158.08 = 6,844.42/x
  3. Step 3: Cross multiply
    12,433.42x = 17,158.08 × 6,844.42
  4. Step 4: Simplify right side
    12,433.42x = 117,437,105.91
  5. Step 5: Solve for x
    x = 117,437,105.91/12,433.42
  6. Step 6: Final answer
    x = 9,445.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.