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Finding the Fourth Proportional to 68,562.72, 94,607.10 and 38,346.48

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Solution

The fourth proportional to 68,562.72, 94,607.10 and 38,346.48 is: 52,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,562.72 : 94,607.10 = 38,346.48 : x
  2. Step 2: Convert to fraction form
    68,562.72/94,607.10 = 38,346.48/x
  3. Step 3: Cross multiply
    68,562.72x = 94,607.10 × 38,346.48
  4. Step 4: Simplify right side
    68,562.72x = 3,627,849,268.01
  5. Step 5: Solve for x
    x = 3,627,849,268.01/68,562.72
  6. Step 6: Final answer
    x = 52,912.86

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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.