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Finding the Fourth Proportional to 12,356.30, 17,051.83 and 6,691.17

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Solution

The fourth proportional to 12,356.30, 17,051.83 and 6,691.17 is: 9,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.30 : 17,051.83 = 6,691.17 : x
  2. Step 2: Convert to fraction form
    12,356.30/17,051.83 = 6,691.17/x
  3. Step 3: Cross multiply
    12,356.30x = 17,051.83 × 6,691.17
  4. Step 4: Simplify right side
    12,356.30x = 114,096,693.34
  5. Step 5: Solve for x
    x = 114,096,693.34/12,356.30
  6. Step 6: Final answer
    x = 9,233.89

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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.