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Finding the Fourth Proportional to 68,022.71, 93,867.21 and 37,807.03

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Solution

The fourth proportional to 68,022.71, 93,867.21 and 37,807.03 is: 52,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.71 : 93,867.21 = 37,807.03 : x
  2. Step 2: Convert to fraction form
    68,022.71/93,867.21 = 37,807.03/x
  3. Step 3: Cross multiply
    68,022.71x = 93,867.21 × 37,807.03
  4. Step 4: Simplify right side
    68,022.71x = 3,548,840,424.49
  5. Step 5: Solve for x
    x = 3,548,840,424.49/68,022.71
  6. Step 6: Final answer
    x = 52,171.41

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1.5x scale

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.