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Finding the Fourth Proportional to 15,937.80, 23,911.92 and 4,844.96

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Solution

The fourth proportional to 15,937.80, 23,911.92 and 4,844.96 is: 7,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.80 : 23,911.92 = 4,844.96 : x
  2. Step 2: Convert to fraction form
    15,937.80/23,911.92 = 4,844.96/x
  3. Step 3: Cross multiply
    15,937.80x = 23,911.92 × 4,844.96
  4. Step 4: Simplify right side
    15,937.80x = 115,852,295.92
  5. Step 5: Solve for x
    x = 115,852,295.92/15,937.80
  6. Step 6: Final answer
    x = 7,269.03

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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.