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Finding the Fourth Proportional to 4,756.86, 7,132.86 and 2,908.44

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Solution

The fourth proportional to 4,756.86, 7,132.86 and 2,908.44 is: 4,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.86 : 7,132.86 = 2,908.44 : x
  2. Step 2: Convert to fraction form
    4,756.86/7,132.86 = 2,908.44/x
  3. Step 3: Cross multiply
    4,756.86x = 7,132.86 × 2,908.44
  4. Step 4: Simplify right side
    4,756.86x = 20,745,495.34
  5. Step 5: Solve for x
    x = 20,745,495.34/4,756.86
  6. Step 6: Final answer
    x = 4,361.17

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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.