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Finding the Fourth Proportional to 68,254.72, 94,202.87 and 39,591.34

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Solution

The fourth proportional to 68,254.72, 94,202.87 and 39,591.34 is: 54,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.72 : 94,202.87 = 39,591.34 : x
  2. Step 2: Convert to fraction form
    68,254.72/94,202.87 = 39,591.34/x
  3. Step 3: Cross multiply
    68,254.72x = 94,202.87 × 39,591.34
  4. Step 4: Simplify right side
    68,254.72x = 3,729,617,421.68
  5. Step 5: Solve for x
    x = 3,729,617,421.68/68,254.72
  6. Step 6: Final answer
    x = 54,642.63

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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.