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Finding the Fourth Proportional to 68,558.56, 94,615.62 and 38,346.68

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Solution

The fourth proportional to 68,558.56, 94,615.62 and 38,346.68 is: 52,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.56 : 94,615.62 = 38,346.68 : x
  2. Step 2: Convert to fraction form
    68,558.56/94,615.62 = 38,346.68/x
  3. Step 3: Cross multiply
    68,558.56x = 94,615.62 × 38,346.68
  4. Step 4: Simplify right side
    68,558.56x = 3,628,194,903.14
  5. Step 5: Solve for x
    x = 3,628,194,903.14/68,558.56
  6. Step 6: Final answer
    x = 52,921.11

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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.