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Finding the Fourth Proportional to 14,559.52, 21,840.09 and 4,171

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Solution

The fourth proportional to 14,559.52, 21,840.09 and 4,171 is: 6,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.52 : 21,840.09 = 4,171 : x
  2. Step 2: Convert to fraction form
    14,559.52/21,840.09 = 4,171/x
  3. Step 3: Cross multiply
    14,559.52x = 21,840.09 × 4,171
  4. Step 4: Simplify right side
    14,559.52x = 91,095,015.39
  5. Step 5: Solve for x
    x = 91,095,015.39/14,559.52
  6. Step 6: Final answer
    x = 6,256.73

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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.