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Finding the Fourth Proportional to 16,716.60, 25,046.10 and 8,807.40

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Solution

The fourth proportional to 16,716.60, 25,046.10 and 8,807.40 is: 13,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.60 : 25,046.10 = 8,807.40 : x
  2. Step 2: Convert to fraction form
    16,716.60/25,046.10 = 8,807.40/x
  3. Step 3: Cross multiply
    16,716.60x = 25,046.10 × 8,807.40
  4. Step 4: Simplify right side
    16,716.60x = 220,591,021.14
  5. Step 5: Solve for x
    x = 220,591,021.14/16,716.60
  6. Step 6: Final answer
    x = 13,195.93

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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.