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Finding the Fourth Proportional to 15,924.37, 23,876.09 and 8,905.11

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Solution

The fourth proportional to 15,924.37, 23,876.09 and 8,905.11 is: 13,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.37 : 23,876.09 = 8,905.11 : x
  2. Step 2: Convert to fraction form
    15,924.37/23,876.09 = 8,905.11/x
  3. Step 3: Cross multiply
    15,924.37x = 23,876.09 × 8,905.11
  4. Step 4: Simplify right side
    15,924.37x = 212,619,333.65
  5. Step 5: Solve for x
    x = 212,619,333.65/15,924.37
  6. Step 6: Final answer
    x = 13,351.82

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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.