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Finding the Fourth Proportional to 7,103.46, 9,802.41 and 3,916.62

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Solution

The fourth proportional to 7,103.46, 9,802.41 and 3,916.62 is: 5,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.46 : 9,802.41 = 3,916.62 : x
  2. Step 2: Convert to fraction form
    7,103.46/9,802.41 = 3,916.62/x
  3. Step 3: Cross multiply
    7,103.46x = 9,802.41 × 3,916.62
  4. Step 4: Simplify right side
    7,103.46x = 38,392,315.05
  5. Step 5: Solve for x
    x = 38,392,315.05/7,103.46
  6. Step 6: Final answer
    x = 5,404.73

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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.