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Finding the Fourth Proportional to 19,719.30, 29,600.01 and 10,951.86

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Solution

The fourth proportional to 19,719.30, 29,600.01 and 10,951.86 is: 16,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.30 : 29,600.01 = 10,951.86 : x
  2. Step 2: Convert to fraction form
    19,719.30/29,600.01 = 10,951.86/x
  3. Step 3: Cross multiply
    19,719.30x = 29,600.01 × 10,951.86
  4. Step 4: Simplify right side
    19,719.30x = 324,175,165.52
  5. Step 5: Solve for x
    x = 324,175,165.52/19,719.30
  6. Step 6: Final answer
    x = 16,439.49

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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.