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Finding the Fourth Proportional to 56,544.75, 84,822.93 and 14,991.75

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Solution

The fourth proportional to 56,544.75, 84,822.93 and 14,991.75 is: 22,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,544.75 : 84,822.93 = 14,991.75 : x
  2. Step 2: Convert to fraction form
    56,544.75/84,822.93 = 14,991.75/x
  3. Step 3: Cross multiply
    56,544.75x = 84,822.93 × 14,991.75
  4. Step 4: Simplify right side
    56,544.75x = 1,271,644,160.83
  5. Step 5: Solve for x
    x = 1,271,644,160.83/56,544.75
  6. Step 6: Final answer
    x = 22,489.16

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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.