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Finding the Fourth Proportional to 16,957.47, 25,410.38 and 8,625

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Solution

The fourth proportional to 16,957.47, 25,410.38 and 8,625 is: 12,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.47 : 25,410.38 = 8,625 : x
  2. Step 2: Convert to fraction form
    16,957.47/25,410.38 = 8,625/x
  3. Step 3: Cross multiply
    16,957.47x = 25,410.38 × 8,625
  4. Step 4: Simplify right side
    16,957.47x = 219,164,527.50
  5. Step 5: Solve for x
    x = 219,164,527.50/16,957.47
  6. Step 6: Final answer
    x = 12,924.36

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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.