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Finding the Fourth Proportional to 53,652.25, 80,479.89 and 14,209.39

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Solution

The fourth proportional to 53,652.25, 80,479.89 and 14,209.39 is: 21,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.25 : 80,479.89 = 14,209.39 : x
  2. Step 2: Convert to fraction form
    53,652.25/80,479.89 = 14,209.39/x
  3. Step 3: Cross multiply
    53,652.25x = 80,479.89 × 14,209.39
  4. Step 4: Simplify right side
    53,652.25x = 1,143,570,144.17
  5. Step 5: Solve for x
    x = 1,143,570,144.17/53,652.25
  6. Step 6: Final answer
    x = 21,314.49

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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.