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Finding the Fourth Proportional to 50,307.50, 69,424.62 and 27,951.50

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Solution

The fourth proportional to 50,307.50, 69,424.62 and 27,951.50 is: 38,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,307.50 : 69,424.62 = 27,951.50 : x
  2. Step 2: Convert to fraction form
    50,307.50/69,424.62 = 27,951.50/x
  3. Step 3: Cross multiply
    50,307.50x = 69,424.62 × 27,951.50
  4. Step 4: Simplify right side
    50,307.50x = 1,940,522,265.93
  5. Step 5: Solve for x
    x = 1,940,522,265.93/50,307.50
  6. Step 6: Final answer
    x = 38,573.22

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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.