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Finding the Fourth Proportional to 50,588.75, 69,812.75 and 28,232.75

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Solution

The fourth proportional to 50,588.75, 69,812.75 and 28,232.75 is: 38,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,588.75 : 69,812.75 = 28,232.75 : x
  2. Step 2: Convert to fraction form
    50,588.75/69,812.75 = 28,232.75/x
  3. Step 3: Cross multiply
    50,588.75x = 69,812.75 × 28,232.75
  4. Step 4: Simplify right side
    50,588.75x = 1,971,005,917.56
  5. Step 5: Solve for x
    x = 1,971,005,917.56/50,588.75
  6. Step 6: Final answer
    x = 38,961.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.