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Finding the Fourth Proportional to 2,099.86, 3,148.41 and 1,175.52

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Solution

The fourth proportional to 2,099.86, 3,148.41 and 1,175.52 is: 1,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.86 : 3,148.41 = 1,175.52 : x
  2. Step 2: Convert to fraction form
    2,099.86/3,148.41 = 1,175.52/x
  3. Step 3: Cross multiply
    2,099.86x = 3,148.41 × 1,175.52
  4. Step 4: Simplify right side
    2,099.86x = 3,701,018.92
  5. Step 5: Solve for x
    x = 3,701,018.92/2,099.86
  6. Step 6: Final answer
    x = 1,762.51

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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.