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Finding the Fourth Proportional to 43,858.70, 60,481.98 and 40,216.16

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Solution

The fourth proportional to 43,858.70, 60,481.98 and 40,216.16 is: 55,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.70 : 60,481.98 = 40,216.16 : x
  2. Step 2: Convert to fraction form
    43,858.70/60,481.98 = 40,216.16/x
  3. Step 3: Cross multiply
    43,858.70x = 60,481.98 × 40,216.16
  4. Step 4: Simplify right side
    43,858.70x = 2,432,352,984.80
  5. Step 5: Solve for x
    x = 2,432,352,984.80/43,858.70
  6. Step 6: Final answer
    x = 55,458.85

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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.