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Finding the Fourth Proportional to 7,424.82, 11,133.18 and 3,045.42

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Solution

The fourth proportional to 7,424.82, 11,133.18 and 3,045.42 is: 4,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.82 : 11,133.18 = 3,045.42 : x
  2. Step 2: Convert to fraction form
    7,424.82/11,133.18 = 3,045.42/x
  3. Step 3: Cross multiply
    7,424.82x = 11,133.18 × 3,045.42
  4. Step 4: Simplify right side
    7,424.82x = 33,905,209.04
  5. Step 5: Solve for x
    x = 33,905,209.04/7,424.82
  6. Step 6: Final answer
    x = 4,566.47

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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.