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Finding the Fourth Proportional to 16,992.60, 25,479 and 6,592.20

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Solution

The fourth proportional to 16,992.60, 25,479 and 6,592.20 is: 9,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.60 : 25,479 = 6,592.20 : x
  2. Step 2: Convert to fraction form
    16,992.60/25,479 = 6,592.20/x
  3. Step 3: Cross multiply
    16,992.60x = 25,479 × 6,592.20
  4. Step 4: Simplify right side
    16,992.60x = 167,962,663.80
  5. Step 5: Solve for x
    x = 167,962,663.80/16,992.60
  6. Step 6: Final answer
    x = 9,884.46

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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.