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Finding the Fourth Proportional to 4,950.72, 7,417.68 and 3,483.12

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Solution

The fourth proportional to 4,950.72, 7,417.68 and 3,483.12 is: 5,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.72 : 7,417.68 = 3,483.12 : x
  2. Step 2: Convert to fraction form
    4,950.72/7,417.68 = 3,483.12/x
  3. Step 3: Cross multiply
    4,950.72x = 7,417.68 × 3,483.12
  4. Step 4: Simplify right side
    4,950.72x = 25,836,669.56
  5. Step 5: Solve for x
    x = 25,836,669.56/4,950.72
  6. Step 6: Final answer
    x = 5,218.77

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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.