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Finding the Fourth Proportional to 72,900.44, 100,602.96 and 41,069.84

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Solution

The fourth proportional to 72,900.44, 100,602.96 and 41,069.84 is: 56,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,900.44 : 100,602.96 = 41,069.84 : x
  2. Step 2: Convert to fraction form
    72,900.44/100,602.96 = 41,069.84/x
  3. Step 3: Cross multiply
    72,900.44x = 100,602.96 × 41,069.84
  4. Step 4: Simplify right side
    72,900.44x = 4,131,747,470.73
  5. Step 5: Solve for x
    x = 4,131,747,470.73/72,900.44
  6. Step 6: Final answer
    x = 56,676.58

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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.