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Finding the Fourth Proportional to 7,409.42, 11,097.69 and 5,323.17

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Solution

The fourth proportional to 7,409.42, 11,097.69 and 5,323.17 is: 7,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.42 : 11,097.69 = 5,323.17 : x
  2. Step 2: Convert to fraction form
    7,409.42/11,097.69 = 5,323.17/x
  3. Step 3: Cross multiply
    7,409.42x = 11,097.69 × 5,323.17
  4. Step 4: Simplify right side
    7,409.42x = 59,074,890.48
  5. Step 5: Solve for x
    x = 59,074,890.48/7,409.42
  6. Step 6: Final answer
    x = 7,972.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.