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Finding the Fourth Proportional to 34,891.90, 48,150.28 and 18,975.98

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Solution

The fourth proportional to 34,891.90, 48,150.28 and 18,975.98 is: 26,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,891.90 : 48,150.28 = 18,975.98 : x
  2. Step 2: Convert to fraction form
    34,891.90/48,150.28 = 18,975.98/x
  3. Step 3: Cross multiply
    34,891.90x = 48,150.28 × 18,975.98
  4. Step 4: Simplify right side
    34,891.90x = 913,698,750.27
  5. Step 5: Solve for x
    x = 913,698,750.27/34,891.90
  6. Step 6: Final answer
    x = 26,186.56

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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.