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Finding the Fourth Proportional to 16,997.68, 25,512.74 and 10,436.68

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Solution

The fourth proportional to 16,997.68, 25,512.74 and 10,436.68 is: 15,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.68 : 25,512.74 = 10,436.68 : x
  2. Step 2: Convert to fraction form
    16,997.68/25,512.74 = 10,436.68/x
  3. Step 3: Cross multiply
    16,997.68x = 25,512.74 × 10,436.68
  4. Step 4: Simplify right side
    16,997.68x = 266,268,303.30
  5. Step 5: Solve for x
    x = 266,268,303.30/16,997.68
  6. Step 6: Final answer
    x = 15,664.98

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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.