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Finding the Fourth Proportional to 26,420.58, 36,472.03 and 18,493.92

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Solution

The fourth proportional to 26,420.58, 36,472.03 and 18,493.92 is: 25,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.58 : 36,472.03 = 18,493.92 : x
  2. Step 2: Convert to fraction form
    26,420.58/36,472.03 = 18,493.92/x
  3. Step 3: Cross multiply
    26,420.58x = 36,472.03 × 18,493.92
  4. Step 4: Simplify right side
    26,420.58x = 674,510,805.06
  5. Step 5: Solve for x
    x = 674,510,805.06/26,420.58
  6. Step 6: Final answer
    x = 25,529.75

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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.