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Finding the Fourth Proportional to 16,705.80, 25,058.92 and 5,018.34

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Solution

The fourth proportional to 16,705.80, 25,058.92 and 5,018.34 is: 7,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.80 : 25,058.92 = 5,018.34 : x
  2. Step 2: Convert to fraction form
    16,705.80/25,058.92 = 5,018.34/x
  3. Step 3: Cross multiply
    16,705.80x = 25,058.92 × 5,018.34
  4. Step 4: Simplify right side
    16,705.80x = 125,754,180.59
  5. Step 5: Solve for x
    x = 125,754,180.59/16,705.80
  6. Step 6: Final answer
    x = 7,527.58

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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.