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Finding the Fourth Proportional to 69,069.64, 103,799.46 and 40,994.94

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Solution

The fourth proportional to 69,069.64, 103,799.46 and 40,994.94 is: 61,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.64 : 103,799.46 = 40,994.94 : x
  2. Step 2: Convert to fraction form
    69,069.64/103,799.46 = 40,994.94/x
  3. Step 3: Cross multiply
    69,069.64x = 103,799.46 × 40,994.94
  4. Step 4: Simplify right side
    69,069.64x = 4,255,252,634.73
  5. Step 5: Solve for x
    x = 4,255,252,634.73/69,069.64
  6. Step 6: Final answer
    x = 61,608.15

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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.