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Finding the Fourth Proportional to 66,669.98, 100,010.28 and 22,296.96

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Solution

The fourth proportional to 66,669.98, 100,010.28 and 22,296.96 is: 33,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,669.98 : 100,010.28 = 22,296.96 : x
  2. Step 2: Convert to fraction form
    66,669.98/100,010.28 = 22,296.96/x
  3. Step 3: Cross multiply
    66,669.98x = 100,010.28 × 22,296.96
  4. Step 4: Simplify right side
    66,669.98x = 2,229,925,212.75
  5. Step 5: Solve for x
    x = 2,229,925,212.75/66,669.98
  6. Step 6: Final answer
    x = 33,447.22

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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.