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Finding the Fourth Proportional to 47,485.99, 65,550.84 and 29,589.85

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Solution

The fourth proportional to 47,485.99, 65,550.84 and 29,589.85 is: 40,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.99 : 65,550.84 = 29,589.85 : x
  2. Step 2: Convert to fraction form
    47,485.99/65,550.84 = 29,589.85/x
  3. Step 3: Cross multiply
    47,485.99x = 65,550.84 × 29,589.85
  4. Step 4: Simplify right side
    47,485.99x = 1,939,639,195.22
  5. Step 5: Solve for x
    x = 1,939,639,195.22/47,485.99
  6. Step 6: Final answer
    x = 40,846.56

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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.