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Finding the Fourth Proportional to 68,495.82, 94,523.90 and 38,281.11

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Solution

The fourth proportional to 68,495.82, 94,523.90 and 38,281.11 is: 52,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,495.82 : 94,523.90 = 38,281.11 : x
  2. Step 2: Convert to fraction form
    68,495.82/94,523.90 = 38,281.11/x
  3. Step 3: Cross multiply
    68,495.82x = 94,523.90 × 38,281.11
  4. Step 4: Simplify right side
    68,495.82x = 3,618,479,622.12
  5. Step 5: Solve for x
    x = 3,618,479,622.12/68,495.82
  6. Step 6: Final answer
    x = 52,827.74

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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.