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Finding the Fourth Proportional to 14,588.36, 21,886 and 4,727.64

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Solution

The fourth proportional to 14,588.36, 21,886 and 4,727.64 is: 7,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.36 : 21,886 = 4,727.64 : x
  2. Step 2: Convert to fraction form
    14,588.36/21,886 = 4,727.64/x
  3. Step 3: Cross multiply
    14,588.36x = 21,886 × 4,727.64
  4. Step 4: Simplify right side
    14,588.36x = 103,469,129.04
  5. Step 5: Solve for x
    x = 103,469,129.04/14,588.36
  6. Step 6: Final answer
    x = 7,092.58

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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.