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Finding the Fourth Proportional to 73,706.82, 110,560.26 and 21,116.52

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Solution

The fourth proportional to 73,706.82, 110,560.26 and 21,116.52 is: 31,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,706.82 : 110,560.26 = 21,116.52 : x
  2. Step 2: Convert to fraction form
    73,706.82/110,560.26 = 21,116.52/x
  3. Step 3: Cross multiply
    73,706.82x = 110,560.26 × 21,116.52
  4. Step 4: Simplify right side
    73,706.82x = 2,334,647,941.50
  5. Step 5: Solve for x
    x = 2,334,647,941.50/73,706.82
  6. Step 6: Final answer
    x = 31,674.79

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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.