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Finding the Fourth Proportional to 17,997.66, 26,986.80 and 6,901.98

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Solution

The fourth proportional to 17,997.66, 26,986.80 and 6,901.98 is: 10,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.66 : 26,986.80 = 6,901.98 : x
  2. Step 2: Convert to fraction form
    17,997.66/26,986.80 = 6,901.98/x
  3. Step 3: Cross multiply
    17,997.66x = 26,986.80 × 6,901.98
  4. Step 4: Simplify right side
    17,997.66x = 186,262,353.86
  5. Step 5: Solve for x
    x = 186,262,353.86/17,997.66
  6. Step 6: Final answer
    x = 10,349.25

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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.