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Finding the Fourth Proportional to 16,833.96, 25,251 and 5,147.13

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Solution

The fourth proportional to 16,833.96, 25,251 and 5,147.13 is: 7,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.96 : 25,251 = 5,147.13 : x
  2. Step 2: Convert to fraction form
    16,833.96/25,251 = 5,147.13/x
  3. Step 3: Cross multiply
    16,833.96x = 25,251 × 5,147.13
  4. Step 4: Simplify right side
    16,833.96x = 129,970,179.63
  5. Step 5: Solve for x
    x = 129,970,179.63/16,833.96
  6. Step 6: Final answer
    x = 7,720.71

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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.