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Finding the Fourth Proportional to 50,869.78, 76,289.06 and 35,175.65

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Solution

The fourth proportional to 50,869.78, 76,289.06 and 35,175.65 is: 52,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.78 : 76,289.06 = 35,175.65 : x
  2. Step 2: Convert to fraction form
    50,869.78/76,289.06 = 35,175.65/x
  3. Step 3: Cross multiply
    50,869.78x = 76,289.06 × 35,175.65
  4. Step 4: Simplify right side
    50,869.78x = 2,683,517,273.39
  5. Step 5: Solve for x
    x = 2,683,517,273.39/50,869.78
  6. Step 6: Final answer
    x = 52,752.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.