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Finding the Fourth Proportional to 69,993.89, 105,005.71 and 22,611.70

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Solution

The fourth proportional to 69,993.89, 105,005.71 and 22,611.70 is: 33,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.89 : 105,005.71 = 22,611.70 : x
  2. Step 2: Convert to fraction form
    69,993.89/105,005.71 = 22,611.70/x
  3. Step 3: Cross multiply
    69,993.89x = 105,005.71 × 22,611.70
  4. Step 4: Simplify right side
    69,993.89x = 2,374,357,181.67
  5. Step 5: Solve for x
    x = 2,374,357,181.67/69,993.89
  6. Step 6: Final answer
    x = 33,922.35

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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.