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Finding the Fourth Proportional to 10,691.65, 16,037.43 and 2,900.46

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Solution

The fourth proportional to 10,691.65, 16,037.43 and 2,900.46 is: 4,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.65 : 16,037.43 = 2,900.46 : x
  2. Step 2: Convert to fraction form
    10,691.65/16,037.43 = 2,900.46/x
  3. Step 3: Cross multiply
    10,691.65x = 16,037.43 × 2,900.46
  4. Step 4: Simplify right side
    10,691.65x = 46,515,924.22
  5. Step 5: Solve for x
    x = 46,515,924.22/10,691.65
  6. Step 6: Final answer
    x = 4,350.68

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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.