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Finding the Fourth Proportional to 68,250.44, 94,183.34 and 39,570.63

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Solution

The fourth proportional to 68,250.44, 94,183.34 and 39,570.63 is: 54,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,250.44 : 94,183.34 = 39,570.63 : x
  2. Step 2: Convert to fraction form
    68,250.44/94,183.34 = 39,570.63/x
  3. Step 3: Cross multiply
    68,250.44x = 94,183.34 × 39,570.63
  4. Step 4: Simplify right side
    68,250.44x = 3,726,893,901.45
  5. Step 5: Solve for x
    x = 3,726,893,901.45/68,250.44
  6. Step 6: Final answer
    x = 54,606.16

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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.