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Finding the Fourth Proportional to 56,616.86, 84,924.99 and 14,496.86

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Solution

The fourth proportional to 56,616.86, 84,924.99 and 14,496.86 is: 21,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.86 : 84,924.99 = 14,496.86 : x
  2. Step 2: Convert to fraction form
    56,616.86/84,924.99 = 14,496.86/x
  3. Step 3: Cross multiply
    56,616.86x = 84,924.99 × 14,496.86
  4. Step 4: Simplify right side
    56,616.86x = 1,231,145,902.84
  5. Step 5: Solve for x
    x = 1,231,145,902.84/56,616.86
  6. Step 6: Final answer
    x = 21,745.22

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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.