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Finding the Fourth Proportional to 69,489.80, 95,896.01 and 37,658.70

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Solution

The fourth proportional to 69,489.80, 95,896.01 and 37,658.70 is: 51,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.80 : 95,896.01 = 37,658.70 : x
  2. Step 2: Convert to fraction form
    69,489.80/95,896.01 = 37,658.70/x
  3. Step 3: Cross multiply
    69,489.80x = 95,896.01 × 37,658.70
  4. Step 4: Simplify right side
    69,489.80x = 3,611,318,864.20
  5. Step 5: Solve for x
    x = 3,611,318,864.20/69,489.80
  6. Step 6: Final answer
    x = 51,969.05

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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.