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Finding the Fourth Proportional to 26,685.82, 36,824.22 and 14,749.15

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Solution

The fourth proportional to 26,685.82, 36,824.22 and 14,749.15 is: 20,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.82 : 36,824.22 = 14,749.15 : x
  2. Step 2: Convert to fraction form
    26,685.82/36,824.22 = 14,749.15/x
  3. Step 3: Cross multiply
    26,685.82x = 36,824.22 × 14,749.15
  4. Step 4: Simplify right side
    26,685.82x = 543,125,944.41
  5. Step 5: Solve for x
    x = 543,125,944.41/26,685.82
  6. Step 6: Final answer
    x = 20,352.60

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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.