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Finding the Fourth Proportional to 60,955.80, 84,135.91 and 35,467.09

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Solution

The fourth proportional to 60,955.80, 84,135.91 and 35,467.09 is: 48,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.80 : 84,135.91 = 35,467.09 : x
  2. Step 2: Convert to fraction form
    60,955.80/84,135.91 = 35,467.09/x
  3. Step 3: Cross multiply
    60,955.80x = 84,135.91 × 35,467.09
  4. Step 4: Simplify right side
    60,955.80x = 2,984,055,593.19
  5. Step 5: Solve for x
    x = 2,984,055,593.19/60,955.80
  6. Step 6: Final answer
    x = 48,954.42

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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.