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Finding the Fourth Proportional to 68,016.64, 93,861.68 and 37,801.60

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Solution

The fourth proportional to 68,016.64, 93,861.68 and 37,801.60 is: 52,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,016.64 : 93,861.68 = 37,801.60 : x
  2. Step 2: Convert to fraction form
    68,016.64/93,861.68 = 37,801.60/x
  3. Step 3: Cross multiply
    68,016.64x = 93,861.68 × 37,801.60
  4. Step 4: Simplify right side
    68,016.64x = 3,548,121,682.69
  5. Step 5: Solve for x
    x = 3,548,121,682.69/68,016.64
  6. Step 6: Final answer
    x = 52,165.49

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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.