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Finding the Fourth Proportional to 26,425, 36,466.50 and 15,247

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Solution

The fourth proportional to 26,425, 36,466.50 and 15,247 is: 21,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425 : 36,466.50 = 15,247 : x
  2. Step 2: Convert to fraction form
    26,425/36,466.50 = 15,247/x
  3. Step 3: Cross multiply
    26,425x = 36,466.50 × 15,247
  4. Step 4: Simplify right side
    26,425x = 556,004,725.50
  5. Step 5: Solve for x
    x = 556,004,725.50/26,425
  6. Step 6: Final answer
    x = 21,040.86

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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.