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Finding the Fourth Proportional to 67,579.60, 101,411.09 and 34,323.53

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Solution

The fourth proportional to 67,579.60, 101,411.09 and 34,323.53 is: 51,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,579.60 : 101,411.09 = 34,323.53 : x
  2. Step 2: Convert to fraction form
    67,579.60/101,411.09 = 34,323.53/x
  3. Step 3: Cross multiply
    67,579.60x = 101,411.09 × 34,323.53
  4. Step 4: Simplify right side
    67,579.60x = 3,480,786,769.85
  5. Step 5: Solve for x
    x = 3,480,786,769.85/67,579.60
  6. Step 6: Final answer
    x = 51,506.47

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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.