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Finding the Fourth Proportional to 66,881.36, 100,259.17 and 22,476.96

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Solution

The fourth proportional to 66,881.36, 100,259.17 and 22,476.96 is: 33,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,881.36 : 100,259.17 = 22,476.96 : x
  2. Step 2: Convert to fraction form
    66,881.36/100,259.17 = 22,476.96/x
  3. Step 3: Cross multiply
    66,881.36x = 100,259.17 × 22,476.96
  4. Step 4: Simplify right side
    66,881.36x = 2,253,521,297.53
  5. Step 5: Solve for x
    x = 2,253,521,297.53/66,881.36
  6. Step 6: Final answer
    x = 33,694.31

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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.