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Finding the Fourth Proportional to 24,976.78, 34,467.90 and 13,798.78

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Solution

The fourth proportional to 24,976.78, 34,467.90 and 13,798.78 is: 19,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,976.78 : 34,467.90 = 13,798.78 : x
  2. Step 2: Convert to fraction form
    24,976.78/34,467.90 = 13,798.78/x
  3. Step 3: Cross multiply
    24,976.78x = 34,467.90 × 13,798.78
  4. Step 4: Simplify right side
    24,976.78x = 475,614,969.16
  5. Step 5: Solve for x
    x = 475,614,969.16/24,976.78
  6. Step 6: Final answer
    x = 19,042.29

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1.5x scale

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.