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Finding the Fourth Proportional to 53,957.95, 80,936.92 and 14,519.05

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Solution

The fourth proportional to 53,957.95, 80,936.92 and 14,519.05 is: 21,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.95 : 80,936.92 = 14,519.05 : x
  2. Step 2: Convert to fraction form
    53,957.95/80,936.92 = 14,519.05/x
  3. Step 3: Cross multiply
    53,957.95x = 80,936.92 × 14,519.05
  4. Step 4: Simplify right side
    53,957.95x = 1,175,127,004.13
  5. Step 5: Solve for x
    x = 1,175,127,004.13/53,957.95
  6. Step 6: Final answer
    x = 21,778.57

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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.