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Finding the Fourth Proportional to 15,602.72, 23,406.78 and 6,837.44

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Solution

The fourth proportional to 15,602.72, 23,406.78 and 6,837.44 is: 10,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.72 : 23,406.78 = 6,837.44 : x
  2. Step 2: Convert to fraction form
    15,602.72/23,406.78 = 6,837.44/x
  3. Step 3: Cross multiply
    15,602.72x = 23,406.78 × 6,837.44
  4. Step 4: Simplify right side
    15,602.72x = 160,042,453.84
  5. Step 5: Solve for x
    x = 160,042,453.84/15,602.72
  6. Step 6: Final answer
    x = 10,257.34

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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.