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Finding the Fourth Proportional to 61,641.42, 92,462.73 and 22,170.93

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Solution

The fourth proportional to 61,641.42, 92,462.73 and 22,170.93 is: 33,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,641.42 : 92,462.73 = 22,170.93 : x
  2. Step 2: Convert to fraction form
    61,641.42/92,462.73 = 22,170.93/x
  3. Step 3: Cross multiply
    61,641.42x = 92,462.73 × 22,170.93
  4. Step 4: Simplify right side
    61,641.42x = 2,049,984,714.44
  5. Step 5: Solve for x
    x = 2,049,984,714.44/61,641.42
  6. Step 6: Final answer
    x = 33,256.61

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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.