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Finding the Fourth Proportional to 16,803.52, 25,213.97 and 7,449.99

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Solution

The fourth proportional to 16,803.52, 25,213.97 and 7,449.99 is: 11,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.52 : 25,213.97 = 7,449.99 : x
  2. Step 2: Convert to fraction form
    16,803.52/25,213.97 = 7,449.99/x
  3. Step 3: Cross multiply
    16,803.52x = 25,213.97 × 7,449.99
  4. Step 4: Simplify right side
    16,803.52x = 187,843,842.99
  5. Step 5: Solve for x
    x = 187,843,842.99/16,803.52
  6. Step 6: Final answer
    x = 11,178.84

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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.