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Finding the Fourth Proportional to 68,580.60, 94,649.94 and 38,367.60

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Solution

The fourth proportional to 68,580.60, 94,649.94 and 38,367.60 is: 52,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,580.60 : 94,649.94 = 38,367.60 : x
  2. Step 2: Convert to fraction form
    68,580.60/94,649.94 = 38,367.60/x
  3. Step 3: Cross multiply
    68,580.60x = 94,649.94 × 38,367.60
  4. Step 4: Simplify right side
    68,580.60x = 3,631,491,037.94
  5. Step 5: Solve for x
    x = 3,631,491,037.94/68,580.60
  6. Step 6: Final answer
    x = 52,952.16

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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.