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Finding the Fourth Proportional to 61,348.22, 84,654.69 and 35,860.55

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Solution

The fourth proportional to 61,348.22, 84,654.69 and 35,860.55 is: 49,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.22 : 84,654.69 = 35,860.55 : x
  2. Step 2: Convert to fraction form
    61,348.22/84,654.69 = 35,860.55/x
  3. Step 3: Cross multiply
    61,348.22x = 84,654.69 × 35,860.55
  4. Step 4: Simplify right side
    61,348.22x = 3,035,763,743.48
  5. Step 5: Solve for x
    x = 3,035,763,743.48/61,348.22
  6. Step 6: Final answer
    x = 49,484.14

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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.