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Finding the Fourth Proportional to 26,988.76, 40,494.84 and 14,494.21

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Solution

The fourth proportional to 26,988.76, 40,494.84 and 14,494.21 is: 21,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.76 : 40,494.84 = 14,494.21 : x
  2. Step 2: Convert to fraction form
    26,988.76/40,494.84 = 14,494.21/x
  3. Step 3: Cross multiply
    26,988.76x = 40,494.84 × 14,494.21
  4. Step 4: Simplify right side
    26,988.76x = 586,940,559.29
  5. Step 5: Solve for x
    x = 586,940,559.29/26,988.76
  6. Step 6: Final answer
    x = 21,747.59

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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.