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Finding the Fourth Proportional to 10,279.55, 14,185.09 and 5,802.42

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Solution

The fourth proportional to 10,279.55, 14,185.09 and 5,802.42 is: 8,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.55 : 14,185.09 = 5,802.42 : x
  2. Step 2: Convert to fraction form
    10,279.55/14,185.09 = 5,802.42/x
  3. Step 3: Cross multiply
    10,279.55x = 14,185.09 × 5,802.42
  4. Step 4: Simplify right side
    10,279.55x = 82,307,849.92
  5. Step 5: Solve for x
    x = 82,307,849.92/10,279.55
  6. Step 6: Final answer
    x = 8,006.95

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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.