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Finding the Fourth Proportional to 53,892.40, 80,838.60 and 14,448.52

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Solution

The fourth proportional to 53,892.40, 80,838.60 and 14,448.52 is: 21,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.40 : 80,838.60 = 14,448.52 : x
  2. Step 2: Convert to fraction form
    53,892.40/80,838.60 = 14,448.52/x
  3. Step 3: Cross multiply
    53,892.40x = 80,838.60 × 14,448.52
  4. Step 4: Simplify right side
    53,892.40x = 1,167,998,128.87
  5. Step 5: Solve for x
    x = 1,167,998,128.87/53,892.40
  6. Step 6: Final answer
    x = 21,672.78

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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.