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Finding the Fourth Proportional to 66,910.30, 100,365.63 and 22,568.17

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Solution

The fourth proportional to 66,910.30, 100,365.63 and 22,568.17 is: 33,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.30 : 100,365.63 = 22,568.17 : x
  2. Step 2: Convert to fraction form
    66,910.30/100,365.63 = 22,568.17/x
  3. Step 3: Cross multiply
    66,910.30x = 100,365.63 × 22,568.17
  4. Step 4: Simplify right side
    66,910.30x = 2,265,068,579.58
  5. Step 5: Solve for x
    x = 2,265,068,579.58/66,910.30
  6. Step 6: Final answer
    x = 33,852.31

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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.