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Finding the Fourth Proportional to 16,896.60, 25,344.90 and 15,803.10

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Solution

The fourth proportional to 16,896.60, 25,344.90 and 15,803.10 is: 23,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.60 : 25,344.90 = 15,803.10 : x
  2. Step 2: Convert to fraction form
    16,896.60/25,344.90 = 15,803.10/x
  3. Step 3: Cross multiply
    16,896.60x = 25,344.90 × 15,803.10
  4. Step 4: Simplify right side
    16,896.60x = 400,527,989.19
  5. Step 5: Solve for x
    x = 400,527,989.19/16,896.60
  6. Step 6: Final answer
    x = 23,704.65

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Similar ratio
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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.