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Finding the Fourth Proportional to 53,236.73, 79,871.72 and 15,796.98

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Solution

The fourth proportional to 53,236.73, 79,871.72 and 15,796.98 is: 23,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.73 : 79,871.72 = 15,796.98 : x
  2. Step 2: Convert to fraction form
    53,236.73/79,871.72 = 15,796.98/x
  3. Step 3: Cross multiply
    53,236.73x = 79,871.72 × 15,796.98
  4. Step 4: Simplify right side
    53,236.73x = 1,261,731,884.42
  5. Step 5: Solve for x
    x = 1,261,731,884.42/53,236.73
  6. Step 6: Final answer
    x = 23,700.40

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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.