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Finding the Fourth Proportional to 52,680.87, 79,019.19 and 29,035.29

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Solution

The fourth proportional to 52,680.87, 79,019.19 and 29,035.29 is: 43,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.87 : 79,019.19 = 29,035.29 : x
  2. Step 2: Convert to fraction form
    52,680.87/79,019.19 = 29,035.29/x
  3. Step 3: Cross multiply
    52,680.87x = 79,019.19 × 29,035.29
  4. Step 4: Simplify right side
    52,680.87x = 2,294,345,097.22
  5. Step 5: Solve for x
    x = 2,294,345,097.22/52,680.87
  6. Step 6: Final answer
    x = 43,551.77

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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.