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Finding the Fourth Proportional to 26,497.92, 39,719.21 and 19,467.48

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Solution

The fourth proportional to 26,497.92, 39,719.21 and 19,467.48 is: 29,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.92 : 39,719.21 = 19,467.48 : x
  2. Step 2: Convert to fraction form
    26,497.92/39,719.21 = 19,467.48/x
  3. Step 3: Cross multiply
    26,497.92x = 39,719.21 × 19,467.48
  4. Step 4: Simplify right side
    26,497.92x = 773,232,828.95
  5. Step 5: Solve for x
    x = 773,232,828.95/26,497.92
  6. Step 6: Final answer
    x = 29,180.89

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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.