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Finding the Fourth Proportional to 66,939.44, 100,345.38 and 22,543.34

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Solution

The fourth proportional to 66,939.44, 100,345.38 and 22,543.34 is: 33,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.44 : 100,345.38 = 22,543.34 : x
  2. Step 2: Convert to fraction form
    66,939.44/100,345.38 = 22,543.34/x
  3. Step 3: Cross multiply
    66,939.44x = 100,345.38 × 22,543.34
  4. Step 4: Simplify right side
    66,939.44x = 2,262,120,018.77
  5. Step 5: Solve for x
    x = 2,262,120,018.77/66,939.44
  6. Step 6: Final answer
    x = 33,793.53

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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.