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Finding the Fourth Proportional to 71,966.77, 107,843.54 and 29,220.22

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Solution

The fourth proportional to 71,966.77, 107,843.54 and 29,220.22 is: 43,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.77 : 107,843.54 = 29,220.22 : x
  2. Step 2: Convert to fraction form
    71,966.77/107,843.54 = 29,220.22/x
  3. Step 3: Cross multiply
    71,966.77x = 107,843.54 × 29,220.22
  4. Step 4: Simplify right side
    71,966.77x = 3,151,212,164.89
  5. Step 5: Solve for x
    x = 3,151,212,164.89/71,966.77
  6. Step 6: Final answer
    x = 43,787.04

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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.