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Finding the Fourth Proportional to 68,662.48, 94,754.48 and 38,449.12

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Solution

The fourth proportional to 68,662.48, 94,754.48 and 38,449.12 is: 53,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,662.48 : 94,754.48 = 38,449.12 : x
  2. Step 2: Convert to fraction form
    68,662.48/94,754.48 = 38,449.12/x
  3. Step 3: Cross multiply
    68,662.48x = 94,754.48 × 38,449.12
  4. Step 4: Simplify right side
    68,662.48x = 3,643,226,372.06
  5. Step 5: Solve for x
    x = 3,643,226,372.06/68,662.48
  6. Step 6: Final answer
    x = 53,059.93

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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.