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Finding the Fourth Proportional to 69,230.70, 95,538.74 and 39,016.50

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Solution

The fourth proportional to 69,230.70, 95,538.74 and 39,016.50 is: 53,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,230.70 : 95,538.74 = 39,016.50 : x
  2. Step 2: Convert to fraction form
    69,230.70/95,538.74 = 39,016.50/x
  3. Step 3: Cross multiply
    69,230.70x = 95,538.74 × 39,016.50
  4. Step 4: Simplify right side
    69,230.70x = 3,727,587,249.21
  5. Step 5: Solve for x
    x = 3,727,587,249.21/69,230.70
  6. Step 6: Final answer
    x = 53,842.98

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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.