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Finding the Fourth Proportional to 69,185.98, 103,820.97 and 27,629.50

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Solution

The fourth proportional to 69,185.98, 103,820.97 and 27,629.50 is: 41,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,185.98 : 103,820.97 = 27,629.50 : x
  2. Step 2: Convert to fraction form
    69,185.98/103,820.97 = 27,629.50/x
  3. Step 3: Cross multiply
    69,185.98x = 103,820.97 × 27,629.50
  4. Step 4: Simplify right side
    69,185.98x = 2,868,521,490.62
  5. Step 5: Solve for x
    x = 2,868,521,490.62/69,185.98
  6. Step 6: Final answer
    x = 41,461.02

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1.5x scale

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.