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Finding the Fourth Proportional to 26,550, 36,641.44 and 14,615.76

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Solution

The fourth proportional to 26,550, 36,641.44 and 14,615.76 is: 20,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550 : 36,641.44 = 14,615.76 : x
  2. Step 2: Convert to fraction form
    26,550/36,641.44 = 14,615.76/x
  3. Step 3: Cross multiply
    26,550x = 36,641.44 × 14,615.76
  4. Step 4: Simplify right side
    26,550x = 535,542,493.09
  5. Step 5: Solve for x
    x = 535,542,493.09/26,550
  6. Step 6: Final answer
    x = 20,171.09

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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.