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Finding the Fourth Proportional to 10,344.03, 15,516.51 and 2,949

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Solution

The fourth proportional to 10,344.03, 15,516.51 and 2,949 is: 4,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.03 : 15,516.51 = 2,949 : x
  2. Step 2: Convert to fraction form
    10,344.03/15,516.51 = 2,949/x
  3. Step 3: Cross multiply
    10,344.03x = 15,516.51 × 2,949
  4. Step 4: Simplify right side
    10,344.03x = 45,758,187.99
  5. Step 5: Solve for x
    x = 45,758,187.99/10,344.03
  6. Step 6: Final answer
    x = 4,423.63

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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.