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Finding the Fourth Proportional to 16,785.69, 25,179.95 and 5,099.01

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Solution

The fourth proportional to 16,785.69, 25,179.95 and 5,099.01 is: 7,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.69 : 25,179.95 = 5,099.01 : x
  2. Step 2: Convert to fraction form
    16,785.69/25,179.95 = 5,099.01/x
  3. Step 3: Cross multiply
    16,785.69x = 25,179.95 × 5,099.01
  4. Step 4: Simplify right side
    16,785.69x = 128,392,816.85
  5. Step 5: Solve for x
    x = 128,392,816.85/16,785.69
  6. Step 6: Final answer
    x = 7,648.94

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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.