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Finding the Fourth Proportional to 43,999.45, 65,891.53 and 39,734.80

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Solution

The fourth proportional to 43,999.45, 65,891.53 and 39,734.80 is: 59,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.45 : 65,891.53 = 39,734.80 : x
  2. Step 2: Convert to fraction form
    43,999.45/65,891.53 = 39,734.80/x
  3. Step 3: Cross multiply
    43,999.45x = 65,891.53 × 39,734.80
  4. Step 4: Simplify right side
    43,999.45x = 2,618,186,823.77
  5. Step 5: Solve for x
    x = 2,618,186,823.77/43,999.45
  6. Step 6: Final answer
    x = 59,504.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.