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Finding the Fourth Proportional to 50,591.68, 69,811.68 and 28,237.12

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Solution

The fourth proportional to 50,591.68, 69,811.68 and 28,237.12 is: 38,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,591.68 : 69,811.68 = 28,237.12 : x
  2. Step 2: Convert to fraction form
    50,591.68/69,811.68 = 28,237.12/x
  3. Step 3: Cross multiply
    50,591.68x = 69,811.68 × 28,237.12
  4. Step 4: Simplify right side
    50,591.68x = 1,971,280,785.56
  5. Step 5: Solve for x
    x = 1,971,280,785.56/50,591.68
  6. Step 6: Final answer
    x = 38,964.53

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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.