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Finding the Fourth Proportional to 50,708.66, 69,975.17 and 28,046.33

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Solution

The fourth proportional to 50,708.66, 69,975.17 and 28,046.33 is: 38,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.66 : 69,975.17 = 28,046.33 : x
  2. Step 2: Convert to fraction form
    50,708.66/69,975.17 = 28,046.33/x
  3. Step 3: Cross multiply
    50,708.66x = 69,975.17 × 28,046.33
  4. Step 4: Simplify right side
    50,708.66x = 1,962,546,709.63
  5. Step 5: Solve for x
    x = 1,962,546,709.63/50,708.66
  6. Step 6: Final answer
    x = 38,702.40

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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.