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Finding the Fourth Proportional to 67,765.98, 101,653.96 and 17,845.73

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Solution

The fourth proportional to 67,765.98, 101,653.96 and 17,845.73 is: 26,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,765.98 : 101,653.96 = 17,845.73 : x
  2. Step 2: Convert to fraction form
    67,765.98/101,653.96 = 17,845.73/x
  3. Step 3: Cross multiply
    67,765.98x = 101,653.96 × 17,845.73
  4. Step 4: Simplify right side
    67,765.98x = 1,814,088,526.09
  5. Step 5: Solve for x
    x = 1,814,088,526.09/67,765.98
  6. Step 6: Final answer
    x = 26,769.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.