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Finding the Fourth Proportional to 16,674.92, 25,029.98 and 7,917.16

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Solution

The fourth proportional to 16,674.92, 25,029.98 and 7,917.16 is: 11,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.92 : 25,029.98 = 7,917.16 : x
  2. Step 2: Convert to fraction form
    16,674.92/25,029.98 = 7,917.16/x
  3. Step 3: Cross multiply
    16,674.92x = 25,029.98 × 7,917.16
  4. Step 4: Simplify right side
    16,674.92x = 198,166,356.46
  5. Step 5: Solve for x
    x = 198,166,356.46/16,674.92
  6. Step 6: Final answer
    x = 11,884.10

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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.