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Finding the Fourth Proportional to 72,250.75, 108,376.71 and 22,330.72

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Solution

The fourth proportional to 72,250.75, 108,376.71 and 22,330.72 is: 33,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,250.75 : 108,376.71 = 22,330.72 : x
  2. Step 2: Convert to fraction form
    72,250.75/108,376.71 = 22,330.72/x
  3. Step 3: Cross multiply
    72,250.75x = 108,376.71 × 22,330.72
  4. Step 4: Simplify right side
    72,250.75x = 2,420,129,965.53
  5. Step 5: Solve for x
    x = 2,420,129,965.53/72,250.75
  6. Step 6: Final answer
    x = 33,496.26

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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.