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Finding the Fourth Proportional to 50,869.53, 76,288.68 and 35,175.40

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Solution

The fourth proportional to 50,869.53, 76,288.68 and 35,175.40 is: 52,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.53 : 76,288.68 = 35,175.40 : x
  2. Step 2: Convert to fraction form
    50,869.53/76,288.68 = 35,175.40/x
  3. Step 3: Cross multiply
    50,869.53x = 76,288.68 × 35,175.40
  4. Step 4: Simplify right side
    50,869.53x = 2,683,484,834.47
  5. Step 5: Solve for x
    x = 2,683,484,834.47/50,869.53
  6. Step 6: Final answer
    x = 52,752.30

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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.