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Finding the Fourth Proportional to 68,582.60, 94,652.70 and 38,369.60

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Solution

The fourth proportional to 68,582.60, 94,652.70 and 38,369.60 is: 52,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,582.60 : 94,652.70 = 38,369.60 : x
  2. Step 2: Convert to fraction form
    68,582.60/94,652.70 = 38,369.60/x
  3. Step 3: Cross multiply
    68,582.60x = 94,652.70 × 38,369.60
  4. Step 4: Simplify right side
    68,582.60x = 3,631,786,237.92
  5. Step 5: Solve for x
    x = 3,631,786,237.92/68,582.60
  6. Step 6: Final answer
    x = 52,954.92

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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.