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Finding the Fourth Proportional to 50,591.71, 69,816.54 and 28,235.71

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Solution

The fourth proportional to 50,591.71, 69,816.54 and 28,235.71 is: 38,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,591.71 : 69,816.54 = 28,235.71 : x
  2. Step 2: Convert to fraction form
    50,591.71/69,816.54 = 28,235.71/x
  3. Step 3: Cross multiply
    50,591.71x = 69,816.54 × 28,235.71
  4. Step 4: Simplify right side
    50,591.71x = 1,971,319,576.64
  5. Step 5: Solve for x
    x = 1,971,319,576.64/50,591.71
  6. Step 6: Final answer
    x = 38,965.27

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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.