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Finding the Fourth Proportional to 69,489, 95,974.02 and 47,094.12

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Solution

The fourth proportional to 69,489, 95,974.02 and 47,094.12 is: 65,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489 : 95,974.02 = 47,094.12 : x
  2. Step 2: Convert to fraction form
    69,489/95,974.02 = 47,094.12/x
  3. Step 3: Cross multiply
    69,489x = 95,974.02 × 47,094.12
  4. Step 4: Simplify right side
    69,489x = 4,519,812,014.76
  5. Step 5: Solve for x
    x = 4,519,812,014.76/69,489
  6. Step 6: Final answer
    x = 65,043.56

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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.