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Finding the Fourth Proportional to 68,576.08, 94,643.74 and 38,363.08

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Solution

The fourth proportional to 68,576.08, 94,643.74 and 38,363.08 is: 52,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,576.08 : 94,643.74 = 38,363.08 : x
  2. Step 2: Convert to fraction form
    68,576.08/94,643.74 = 38,363.08/x
  3. Step 3: Cross multiply
    68,576.08x = 94,643.74 × 38,363.08
  4. Step 4: Simplify right side
    68,576.08x = 3,630,825,369.12
  5. Step 5: Solve for x
    x = 3,630,825,369.12/68,576.08
  6. Step 6: Final answer
    x = 52,945.95

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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.