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Finding the Fourth Proportional to 26,555, 36,648.34 and 14,620.76

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Solution

The fourth proportional to 26,555, 36,648.34 and 14,620.76 is: 20,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555 : 36,648.34 = 14,620.76 : x
  2. Step 2: Convert to fraction form
    26,555/36,648.34 = 14,620.76/x
  3. Step 3: Cross multiply
    26,555x = 36,648.34 × 14,620.76
  4. Step 4: Simplify right side
    26,555x = 535,826,583.54
  5. Step 5: Solve for x
    x = 535,826,583.54/26,555
  6. Step 6: Final answer
    x = 20,177.99

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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.