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Finding the Fourth Proportional to 26,805.82, 36,993.82 and 14,869.66

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Solution

The fourth proportional to 26,805.82, 36,993.82 and 14,869.66 is: 20,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.82 : 36,993.82 = 14,869.66 : x
  2. Step 2: Convert to fraction form
    26,805.82/36,993.82 = 14,869.66/x
  3. Step 3: Cross multiply
    26,805.82x = 36,993.82 × 14,869.66
  4. Step 4: Simplify right side
    26,805.82x = 550,085,525.50
  5. Step 5: Solve for x
    x = 550,085,525.50/26,805.82
  6. Step 6: Final answer
    x = 20,521.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.