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Finding the Fourth Proportional to 60,776.97, 91,206.22 and 21,334.20

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Solution

The fourth proportional to 60,776.97, 91,206.22 and 21,334.20 is: 32,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,776.97 : 91,206.22 = 21,334.20 : x
  2. Step 2: Convert to fraction form
    60,776.97/91,206.22 = 21,334.20/x
  3. Step 3: Cross multiply
    60,776.97x = 91,206.22 × 21,334.20
  4. Step 4: Simplify right side
    60,776.97x = 1,945,811,738.72
  5. Step 5: Solve for x
    x = 1,945,811,738.72/60,776.97
  6. Step 6: Final answer
    x = 32,015.61

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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.