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Finding the Fourth Proportional to 69,470.82, 95,792.22 and 50,312.70

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Solution

The fourth proportional to 69,470.82, 95,792.22 and 50,312.70 is: 69,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.82 : 95,792.22 = 50,312.70 : x
  2. Step 2: Convert to fraction form
    69,470.82/95,792.22 = 50,312.70/x
  3. Step 3: Cross multiply
    69,470.82x = 95,792.22 × 50,312.70
  4. Step 4: Simplify right side
    69,470.82x = 4,819,565,227.19
  5. Step 5: Solve for x
    x = 4,819,565,227.19/69,470.82
  6. Step 6: Final answer
    x = 69,375.39

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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.