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Finding the Fourth Proportional to 53,887.40, 80,825.40 and 14,448.50

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Solution

The fourth proportional to 53,887.40, 80,825.40 and 14,448.50 is: 21,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.40 : 80,825.40 = 14,448.50 : x
  2. Step 2: Convert to fraction form
    53,887.40/80,825.40 = 14,448.50/x
  3. Step 3: Cross multiply
    53,887.40x = 80,825.40 × 14,448.50
  4. Step 4: Simplify right side
    53,887.40x = 1,167,805,791.90
  5. Step 5: Solve for x
    x = 1,167,805,791.90/53,887.40
  6. Step 6: Final answer
    x = 21,671.22

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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.