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Finding the Fourth Proportional to 68,594.94, 94,664.68 and 38,378.44

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Solution

The fourth proportional to 68,594.94, 94,664.68 and 38,378.44 is: 52,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.94 : 94,664.68 = 38,378.44 : x
  2. Step 2: Convert to fraction form
    68,594.94/94,664.68 = 38,378.44/x
  3. Step 3: Cross multiply
    68,594.94x = 94,664.68 × 38,378.44
  4. Step 4: Simplify right side
    68,594.94x = 3,633,082,741.50
  5. Step 5: Solve for x
    x = 3,633,082,741.50/68,594.94
  6. Step 6: Final answer
    x = 52,964.30

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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.