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Finding the Fourth Proportional to 16,697.60, 25,049.06 and 7,927.72

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Solution

The fourth proportional to 16,697.60, 25,049.06 and 7,927.72 is: 11,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.60 : 25,049.06 = 7,927.72 : x
  2. Step 2: Convert to fraction form
    16,697.60/25,049.06 = 7,927.72/x
  3. Step 3: Cross multiply
    16,697.60x = 25,049.06 × 7,927.72
  4. Step 4: Simplify right side
    16,697.60x = 198,581,933.94
  5. Step 5: Solve for x
    x = 198,581,933.94/16,697.60
  6. Step 6: Final answer
    x = 11,892.84

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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.