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Finding the Fourth Proportional to 16,754.53, 25,131.95 and 6,889.95

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Solution

The fourth proportional to 16,754.53, 25,131.95 and 6,889.95 is: 10,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.53 : 25,131.95 = 6,889.95 : x
  2. Step 2: Convert to fraction form
    16,754.53/25,131.95 = 6,889.95/x
  3. Step 3: Cross multiply
    16,754.53x = 25,131.95 × 6,889.95
  4. Step 4: Simplify right side
    16,754.53x = 173,157,878.90
  5. Step 5: Solve for x
    x = 173,157,878.90/16,754.53
  6. Step 6: Final answer
    x = 10,334.99

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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.