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Finding the Fourth Proportional to 16,712.96, 25,062.96 and 8,917.52

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Solution

The fourth proportional to 16,712.96, 25,062.96 and 8,917.52 is: 13,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.96 : 25,062.96 = 8,917.52 : x
  2. Step 2: Convert to fraction form
    16,712.96/25,062.96 = 8,917.52/x
  3. Step 3: Cross multiply
    16,712.96x = 25,062.96 × 8,917.52
  4. Step 4: Simplify right side
    16,712.96x = 223,499,447.06
  5. Step 5: Solve for x
    x = 223,499,447.06/16,712.96
  6. Step 6: Final answer
    x = 13,372.82

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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.