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Finding the Fourth Proportional to 69,079.79, 103,619.69 and 22,336.31

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Solution

The fourth proportional to 69,079.79, 103,619.69 and 22,336.31 is: 33,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,079.79 : 103,619.69 = 22,336.31 : x
  2. Step 2: Convert to fraction form
    69,079.79/103,619.69 = 22,336.31/x
  3. Step 3: Cross multiply
    69,079.79x = 103,619.69 × 22,336.31
  4. Step 4: Simplify right side
    69,079.79x = 2,314,480,888.16
  5. Step 5: Solve for x
    x = 2,314,480,888.16/69,079.79
  6. Step 6: Final answer
    x = 33,504.46

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Similar ratio
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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.