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Finding the Fourth Proportional to 16,794.18, 25,185.96 and 7,434

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Solution

The fourth proportional to 16,794.18, 25,185.96 and 7,434 is: 11,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.18 : 25,185.96 = 7,434 : x
  2. Step 2: Convert to fraction form
    16,794.18/25,185.96 = 7,434/x
  3. Step 3: Cross multiply
    16,794.18x = 25,185.96 × 7,434
  4. Step 4: Simplify right side
    16,794.18x = 187,232,426.64
  5. Step 5: Solve for x
    x = 187,232,426.64/16,794.18
  6. Step 6: Final answer
    x = 11,148.65

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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.