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Finding the Fourth Proportional to 59,328.10, 81,871.86 and 36,354.48

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Solution

The fourth proportional to 59,328.10, 81,871.86 and 36,354.48 is: 50,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,328.10 : 81,871.86 = 36,354.48 : x
  2. Step 2: Convert to fraction form
    59,328.10/81,871.86 = 36,354.48/x
  3. Step 3: Cross multiply
    59,328.10x = 81,871.86 × 36,354.48
  4. Step 4: Simplify right side
    59,328.10x = 2,976,408,896.93
  5. Step 5: Solve for x
    x = 2,976,408,896.93/59,328.10
  6. Step 6: Final answer
    x = 50,168.62

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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.