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Finding the Fourth Proportional to 67,399.32, 93,011.38 and 37,185

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Solution

The fourth proportional to 67,399.32, 93,011.38 and 37,185 is: 51,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.32 : 93,011.38 = 37,185 : x
  2. Step 2: Convert to fraction form
    67,399.32/93,011.38 = 37,185/x
  3. Step 3: Cross multiply
    67,399.32x = 93,011.38 × 37,185
  4. Step 4: Simplify right side
    67,399.32x = 3,458,628,165.30
  5. Step 5: Solve for x
    x = 3,458,628,165.30/67,399.32
  6. Step 6: Final answer
    x = 51,315.48

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