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Finding the Fourth Proportional to 60,736.80, 90,964.26 and 58,634.32

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Solution

The fourth proportional to 60,736.80, 90,964.26 and 58,634.32 is: 87,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,736.80 : 90,964.26 = 58,634.32 : x
  2. Step 2: Convert to fraction form
    60,736.80/90,964.26 = 58,634.32/x
  3. Step 3: Cross multiply
    60,736.80x = 90,964.26 × 58,634.32
  4. Step 4: Simplify right side
    60,736.80x = 5,333,627,529.40
  5. Step 5: Solve for x
    x = 5,333,627,529.40/60,736.80
  6. Step 6: Final answer
    x = 87,815.42

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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.