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Finding the Fourth Proportional to 34,907.94, 48,172.86 and 18,992.52

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Solution

The fourth proportional to 34,907.94, 48,172.86 and 18,992.52 is: 26,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.94 : 48,172.86 = 18,992.52 : x
  2. Step 2: Convert to fraction form
    34,907.94/48,172.86 = 18,992.52/x
  3. Step 3: Cross multiply
    34,907.94x = 48,172.86 × 18,992.52
  4. Step 4: Simplify right side
    34,907.94x = 914,924,007.01
  5. Step 5: Solve for x
    x = 914,924,007.01/34,907.94
  6. Step 6: Final answer
    x = 26,209.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.