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Finding the Fourth Proportional to 69,231.94, 103,762.20 and 33,664.18

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Solution

The fourth proportional to 69,231.94, 103,762.20 and 33,664.18 is: 50,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,231.94 : 103,762.20 = 33,664.18 : x
  2. Step 2: Convert to fraction form
    69,231.94/103,762.20 = 33,664.18/x
  3. Step 3: Cross multiply
    69,231.94x = 103,762.20 × 33,664.18
  4. Step 4: Simplify right side
    69,231.94x = 3,493,069,378.00
  5. Step 5: Solve for x
    x = 3,493,069,378.00/69,231.94
  6. Step 6: Final answer
    x = 50,454.59

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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.