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Finding the Fourth Proportional to 61,640.42, 92,461.23 and 22,169.93

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Solution

The fourth proportional to 61,640.42, 92,461.23 and 22,169.93 is: 33,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.42 : 92,461.23 = 22,169.93 : x
  2. Step 2: Convert to fraction form
    61,640.42/92,461.23 = 22,169.93/x
  3. Step 3: Cross multiply
    61,640.42x = 92,461.23 × 22,169.93
  4. Step 4: Simplify right side
    61,640.42x = 2,049,858,534.51
  5. Step 5: Solve for x
    x = 2,049,858,534.51/61,640.42
  6. Step 6: Final answer
    x = 33,255.11

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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.