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Finding the Fourth Proportional to 16,652.68, 24,991.34 and 7,887.61

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Solution

The fourth proportional to 16,652.68, 24,991.34 and 7,887.61 is: 11,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.68 : 24,991.34 = 7,887.61 : x
  2. Step 2: Convert to fraction form
    16,652.68/24,991.34 = 7,887.61/x
  3. Step 3: Cross multiply
    16,652.68x = 24,991.34 × 7,887.61
  4. Step 4: Simplify right side
    16,652.68x = 197,121,935.10
  5. Step 5: Solve for x
    x = 197,121,935.10/16,652.68
  6. Step 6: Final answer
    x = 11,837.25

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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.