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Finding the Fourth Proportional to 60,727.44, 91,101.87 and 20,737.05

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Solution

The fourth proportional to 60,727.44, 91,101.87 and 20,737.05 is: 31,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,727.44 : 91,101.87 = 20,737.05 : x
  2. Step 2: Convert to fraction form
    60,727.44/91,101.87 = 20,737.05/x
  3. Step 3: Cross multiply
    60,727.44x = 91,101.87 × 20,737.05
  4. Step 4: Simplify right side
    60,727.44x = 1,889,184,139.41
  5. Step 5: Solve for x
    x = 1,889,184,139.41/60,727.44
  6. Step 6: Final answer
    x = 31,109.24

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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.