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Finding the Fourth Proportional to 16,952.68, 25,420.82 and 5,855.48

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Solution

The fourth proportional to 16,952.68, 25,420.82 and 5,855.48 is: 8,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,952.68 : 25,420.82 = 5,855.48 : x
  2. Step 2: Convert to fraction form
    16,952.68/25,420.82 = 5,855.48/x
  3. Step 3: Cross multiply
    16,952.68x = 25,420.82 × 5,855.48
  4. Step 4: Simplify right side
    16,952.68x = 148,851,103.09
  5. Step 5: Solve for x
    x = 148,851,103.09/16,952.68
  6. Step 6: Final answer
    x = 8,780.39

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1.5x scale

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.