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Finding the Fourth Proportional to 4,964.86, 7,447.29 and 2,041.12

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Solution

The fourth proportional to 4,964.86, 7,447.29 and 2,041.12 is: 3,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.86 : 7,447.29 = 2,041.12 : x
  2. Step 2: Convert to fraction form
    4,964.86/7,447.29 = 2,041.12/x
  3. Step 3: Cross multiply
    4,964.86x = 7,447.29 × 2,041.12
  4. Step 4: Simplify right side
    4,964.86x = 15,200,812.56
  5. Step 5: Solve for x
    x = 15,200,812.56/4,964.86
  6. Step 6: Final answer
    x = 3,061.68

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Why These Related Problems?

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