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Finding the Fourth Proportional to 47,474.88, 65,584.80 and 37,469.76

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Solution

The fourth proportional to 47,474.88, 65,584.80 and 37,469.76 is: 51,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.88 : 65,584.80 = 37,469.76 : x
  2. Step 2: Convert to fraction form
    47,474.88/65,584.80 = 37,469.76/x
  3. Step 3: Cross multiply
    47,474.88x = 65,584.80 × 37,469.76
  4. Step 4: Simplify right side
    47,474.88x = 2,457,446,715.65
  5. Step 5: Solve for x
    x = 2,457,446,715.65/47,474.88
  6. Step 6: Final answer
    x = 51,763.09

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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.