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Finding the Fourth Proportional to 68,353.52, 94,327.74 and 38,137.01

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Solution

The fourth proportional to 68,353.52, 94,327.74 and 38,137.01 is: 52,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.52 : 94,327.74 = 38,137.01 : x
  2. Step 2: Convert to fraction form
    68,353.52/94,327.74 = 38,137.01/x
  3. Step 3: Cross multiply
    68,353.52x = 94,327.74 × 38,137.01
  4. Step 4: Simplify right side
    68,353.52x = 3,597,377,492.02
  5. Step 5: Solve for x
    x = 3,597,377,492.02/68,353.52
  6. Step 6: Final answer
    x = 52,629.01

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1.5x scale

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.