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Finding the Fourth Proportional to 26,662.50, 36,794.21 and 15,334.20

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Solution

The fourth proportional to 26,662.50, 36,794.21 and 15,334.20 is: 21,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.50 : 36,794.21 = 15,334.20 : x
  2. Step 2: Convert to fraction form
    26,662.50/36,794.21 = 15,334.20/x
  3. Step 3: Cross multiply
    26,662.50x = 36,794.21 × 15,334.20
  4. Step 4: Simplify right side
    26,662.50x = 564,209,698.31
  5. Step 5: Solve for x
    x = 564,209,698.31/26,662.50
  6. Step 6: Final answer
    x = 21,161.17

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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.