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Finding the Fourth Proportional to 16,705.70, 25,058.52 and 7,343.48

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Solution

The fourth proportional to 16,705.70, 25,058.52 and 7,343.48 is: 11,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.70 : 25,058.52 = 7,343.48 : x
  2. Step 2: Convert to fraction form
    16,705.70/25,058.52 = 7,343.48/x
  3. Step 3: Cross multiply
    16,705.70x = 25,058.52 × 7,343.48
  4. Step 4: Simplify right side
    16,705.70x = 184,016,740.45
  5. Step 5: Solve for x
    x = 184,016,740.45/16,705.70
  6. Step 6: Final answer
    x = 11,015.21

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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.