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Finding the Fourth Proportional to 26,991.64, 40,487.46 and 14,494.47

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Solution

The fourth proportional to 26,991.64, 40,487.46 and 14,494.47 is: 21,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.64 : 40,487.46 = 14,494.47 : x
  2. Step 2: Convert to fraction form
    26,991.64/40,487.46 = 14,494.47/x
  3. Step 3: Cross multiply
    26,991.64x = 40,487.46 × 14,494.47
  4. Step 4: Simplify right side
    26,991.64x = 586,844,274.35
  5. Step 5: Solve for x
    x = 586,844,274.35/26,991.64
  6. Step 6: Final answer
    x = 21,741.71

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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.