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Finding the Fourth Proportional to 66,906.74, 100,363.90 and 29,484.38

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Solution

The fourth proportional to 66,906.74, 100,363.90 and 29,484.38 is: 44,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.74 : 100,363.90 = 29,484.38 : x
  2. Step 2: Convert to fraction form
    66,906.74/100,363.90 = 29,484.38/x
  3. Step 3: Cross multiply
    66,906.74x = 100,363.90 × 29,484.38
  4. Step 4: Simplify right side
    66,906.74x = 2,959,167,365.88
  5. Step 5: Solve for x
    x = 2,959,167,365.88/66,906.74
  6. Step 6: Final answer
    x = 44,228.24

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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.