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Finding the Fourth Proportional to 52,968, 79,452 and 19,696.44

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Solution

The fourth proportional to 52,968, 79,452 and 19,696.44 is: 29,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,968 : 79,452 = 19,696.44 : x
  2. Step 2: Convert to fraction form
    52,968/79,452 = 19,696.44/x
  3. Step 3: Cross multiply
    52,968x = 79,452 × 19,696.44
  4. Step 4: Simplify right side
    52,968x = 1,564,921,550.88
  5. Step 5: Solve for x
    x = 1,564,921,550.88/52,968
  6. Step 6: Final answer
    x = 29,544.66

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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.