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Finding the Fourth Proportional to 16,750.98, 25,108.92 and 5,653.80

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Solution

The fourth proportional to 16,750.98, 25,108.92 and 5,653.80 is: 8,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.98 : 25,108.92 = 5,653.80 : x
  2. Step 2: Convert to fraction form
    16,750.98/25,108.92 = 5,653.80/x
  3. Step 3: Cross multiply
    16,750.98x = 25,108.92 × 5,653.80
  4. Step 4: Simplify right side
    16,750.98x = 141,960,811.90
  5. Step 5: Solve for x
    x = 141,960,811.90/16,750.98
  6. Step 6: Final answer
    x = 8,474.78

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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.