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Finding the Fourth Proportional to 67,509.81, 93,163.10 and 37,297.08

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Solution

The fourth proportional to 67,509.81, 93,163.10 and 37,297.08 is: 51,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.81 : 93,163.10 = 37,297.08 : x
  2. Step 2: Convert to fraction form
    67,509.81/93,163.10 = 37,297.08/x
  3. Step 3: Cross multiply
    67,509.81x = 93,163.10 × 37,297.08
  4. Step 4: Simplify right side
    67,509.81x = 3,474,711,407.26
  5. Step 5: Solve for x
    x = 3,474,711,407.26/67,509.81
  6. Step 6: Final answer
    x = 51,469.73

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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.