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Finding the Fourth Proportional to 53,912.77, 80,858.01 and 14,460.50

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Solution

The fourth proportional to 53,912.77, 80,858.01 and 14,460.50 is: 21,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.77 : 80,858.01 = 14,460.50 : x
  2. Step 2: Convert to fraction form
    53,912.77/80,858.01 = 14,460.50/x
  3. Step 3: Cross multiply
    53,912.77x = 80,858.01 × 14,460.50
  4. Step 4: Simplify right side
    53,912.77x = 1,169,247,253.61
  5. Step 5: Solve for x
    x = 1,169,247,253.61/53,912.77
  6. Step 6: Final answer
    x = 21,687.76

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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.