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Finding the Fourth Proportional to 75,408.48, 112,940.46 and 35,993.34

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Solution

The fourth proportional to 75,408.48, 112,940.46 and 35,993.34 is: 53,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.48 : 112,940.46 = 35,993.34 : x
  2. Step 2: Convert to fraction form
    75,408.48/112,940.46 = 35,993.34/x
  3. Step 3: Cross multiply
    75,408.48x = 112,940.46 × 35,993.34
  4. Step 4: Simplify right side
    75,408.48x = 4,065,104,376.54
  5. Step 5: Solve for x
    x = 4,065,104,376.54/75,408.48
  6. Step 6: Final answer
    x = 53,907.79

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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.