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Finding the Fourth Proportional to 26,395.74, 36,417.09 and 15,057.09

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Solution

The fourth proportional to 26,395.74, 36,417.09 and 15,057.09 is: 20,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.74 : 36,417.09 = 15,057.09 : x
  2. Step 2: Convert to fraction form
    26,395.74/36,417.09 = 15,057.09/x
  3. Step 3: Cross multiply
    26,395.74x = 36,417.09 × 15,057.09
  4. Step 4: Simplify right side
    26,395.74x = 548,335,401.67
  5. Step 5: Solve for x
    x = 548,335,401.67/26,395.74
  6. Step 6: Final answer
    x = 20,773.63

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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.