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Finding the Fourth Proportional to 26,498.04, 39,747.04 and 12,447.76

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Solution

The fourth proportional to 26,498.04, 39,747.04 and 12,447.76 is: 18,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.04 : 39,747.04 = 12,447.76 : x
  2. Step 2: Convert to fraction form
    26,498.04/39,747.04 = 12,447.76/x
  3. Step 3: Cross multiply
    26,498.04x = 39,747.04 × 12,447.76
  4. Step 4: Simplify right side
    26,498.04x = 494,761,558.67
  5. Step 5: Solve for x
    x = 494,761,558.67/26,498.04
  6. Step 6: Final answer
    x = 18,671.63

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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.