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Finding the Fourth Proportional to 58,852.97, 81,299.87 and 53,538.56

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Solution

The fourth proportional to 58,852.97, 81,299.87 and 53,538.56 is: 73,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,852.97 : 81,299.87 = 53,538.56 : x
  2. Step 2: Convert to fraction form
    58,852.97/81,299.87 = 53,538.56/x
  3. Step 3: Cross multiply
    58,852.97x = 81,299.87 × 53,538.56
  4. Step 4: Simplify right side
    58,852.97x = 4,352,677,700.29
  5. Step 5: Solve for x
    x = 4,352,677,700.29/58,852.97
  6. Step 6: Final answer
    x = 73,958.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.