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Finding the Fourth Proportional to 15,843.80, 23,789.06 and 8,837.50

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Solution

The fourth proportional to 15,843.80, 23,789.06 and 8,837.50 is: 13,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.80 : 23,789.06 = 8,837.50 : x
  2. Step 2: Convert to fraction form
    15,843.80/23,789.06 = 8,837.50/x
  3. Step 3: Cross multiply
    15,843.80x = 23,789.06 × 8,837.50
  4. Step 4: Simplify right side
    15,843.80x = 210,235,791.83
  5. Step 5: Solve for x
    x = 210,235,791.83/15,843.80
  6. Step 6: Final answer
    x = 13,269.28

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1.5x scale

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.