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Finding the Fourth Proportional to 66,998.96, 100,428.51 and 22,610.42

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Solution

The fourth proportional to 66,998.96, 100,428.51 and 22,610.42 is: 33,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.96 : 100,428.51 = 22,610.42 : x
  2. Step 2: Convert to fraction form
    66,998.96/100,428.51 = 22,610.42/x
  3. Step 3: Cross multiply
    66,998.96x = 100,428.51 × 22,610.42
  4. Step 4: Simplify right side
    66,998.96x = 2,270,731,042.15
  5. Step 5: Solve for x
    x = 2,270,731,042.15/66,998.96
  6. Step 6: Final answer
    x = 33,892.03

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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.