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Finding the Fourth Proportional to 16,679.87, 25,048.43 and 14,809.98

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Solution

The fourth proportional to 16,679.87, 25,048.43 and 14,809.98 is: 22,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.87 : 25,048.43 = 14,809.98 : x
  2. Step 2: Convert to fraction form
    16,679.87/25,048.43 = 14,809.98/x
  3. Step 3: Cross multiply
    16,679.87x = 25,048.43 × 14,809.98
  4. Step 4: Simplify right side
    16,679.87x = 370,966,673.28
  5. Step 5: Solve for x
    x = 370,966,673.28/16,679.87
  6. Step 6: Final answer
    x = 22,240.39

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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.