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Finding the Fourth Proportional to 47,999.50, 66,163.88 and 32,865.99

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Solution

The fourth proportional to 47,999.50, 66,163.88 and 32,865.99 is: 45,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.50 : 66,163.88 = 32,865.99 : x
  2. Step 2: Convert to fraction form
    47,999.50/66,163.88 = 32,865.99/x
  3. Step 3: Cross multiply
    47,999.50x = 66,163.88 × 32,865.99
  4. Step 4: Simplify right side
    47,999.50x = 2,174,540,923.29
  5. Step 5: Solve for x
    x = 2,174,540,923.29/47,999.50
  6. Step 6: Final answer
    x = 45,303.41

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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.