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Finding the Fourth Proportional to 67,489.96, 93,133.63 and 37,274.64

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Solution

The fourth proportional to 67,489.96, 93,133.63 and 37,274.64 is: 51,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.96 : 93,133.63 = 37,274.64 : x
  2. Step 2: Convert to fraction form
    67,489.96/93,133.63 = 37,274.64/x
  3. Step 3: Cross multiply
    67,489.96x = 93,133.63 × 37,274.64
  4. Step 4: Simplify right side
    67,489.96x = 3,471,522,530.14
  5. Step 5: Solve for x
    x = 3,471,522,530.14/67,489.96
  6. Step 6: Final answer
    x = 51,437.61

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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.