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Finding the Fourth Proportional to 69,530.88, 104,300.80 and 27,972.48

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Solution

The fourth proportional to 69,530.88, 104,300.80 and 27,972.48 is: 41,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530.88 : 104,300.80 = 27,972.48 : x
  2. Step 2: Convert to fraction form
    69,530.88/104,300.80 = 27,972.48/x
  3. Step 3: Cross multiply
    69,530.88x = 104,300.80 × 27,972.48
  4. Step 4: Simplify right side
    69,530.88x = 2,917,552,041.98
  5. Step 5: Solve for x
    x = 2,917,552,041.98/69,530.88
  6. Step 6: Final answer
    x = 41,960.52

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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.