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Finding the Fourth Proportional to 17,932.61, 26,899.05 and 6,245.80

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Solution

The fourth proportional to 17,932.61, 26,899.05 and 6,245.80 is: 9,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.61 : 26,899.05 = 6,245.80 : x
  2. Step 2: Convert to fraction form
    17,932.61/26,899.05 = 6,245.80/x
  3. Step 3: Cross multiply
    17,932.61x = 26,899.05 × 6,245.80
  4. Step 4: Simplify right side
    17,932.61x = 168,006,086.49
  5. Step 5: Solve for x
    x = 168,006,086.49/17,932.61
  6. Step 6: Final answer
    x = 9,368.75

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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.