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Finding the Fourth Proportional to 16,691.73, 25,037.52 and 6,831.01

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Solution

The fourth proportional to 16,691.73, 25,037.52 and 6,831.01 is: 10,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.73 : 25,037.52 = 6,831.01 : x
  2. Step 2: Convert to fraction form
    16,691.73/25,037.52 = 6,831.01/x
  3. Step 3: Cross multiply
    16,691.73x = 25,037.52 × 6,831.01
  4. Step 4: Simplify right side
    16,691.73x = 171,031,696.03
  5. Step 5: Solve for x
    x = 171,031,696.03/16,691.73
  6. Step 6: Final answer
    x = 10,246.49

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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.