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Finding the Fourth Proportional to 10,691.64, 16,037.42 and 2,900.44

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Solution

The fourth proportional to 10,691.64, 16,037.42 and 2,900.44 is: 4,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.64 : 16,037.42 = 2,900.44 : x
  2. Step 2: Convert to fraction form
    10,691.64/16,037.42 = 2,900.44/x
  3. Step 3: Cross multiply
    10,691.64x = 16,037.42 × 2,900.44
  4. Step 4: Simplify right side
    10,691.64x = 46,515,574.46
  5. Step 5: Solve for x
    x = 46,515,574.46/10,691.64
  6. Step 6: Final answer
    x = 4,350.65

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1.5x scale

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.