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Finding the Fourth Proportional to 61,910.33, 85,434.62 and 35,055.45

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Solution

The fourth proportional to 61,910.33, 85,434.62 and 35,055.45 is: 48,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,910.33 : 85,434.62 = 35,055.45 : x
  2. Step 2: Convert to fraction form
    61,910.33/85,434.62 = 35,055.45/x
  3. Step 3: Cross multiply
    61,910.33x = 85,434.62 × 35,055.45
  4. Step 4: Simplify right side
    61,910.33x = 2,994,948,874.40
  5. Step 5: Solve for x
    x = 2,994,948,874.40/61,910.33
  6. Step 6: Final answer
    x = 48,375.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.