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Finding the Fourth Proportional to 61,154.79, 84,392.60 and 35,675.97

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Solution

The fourth proportional to 61,154.79, 84,392.60 and 35,675.97 is: 49,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.79 : 84,392.60 = 35,675.97 : x
  2. Step 2: Convert to fraction form
    61,154.79/84,392.60 = 35,675.97/x
  3. Step 3: Cross multiply
    61,154.79x = 84,392.60 × 35,675.97
  4. Step 4: Simplify right side
    61,154.79x = 3,010,787,687.44
  5. Step 5: Solve for x
    x = 3,010,787,687.44/61,154.79
  6. Step 6: Final answer
    x = 49,232.25

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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.