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Finding the Fourth Proportional to 43,193.67, 64,678.41 and 36,993.57

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Solution

The fourth proportional to 43,193.67, 64,678.41 and 36,993.57 is: 55,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,193.67 : 64,678.41 = 36,993.57 : x
  2. Step 2: Convert to fraction form
    43,193.67/64,678.41 = 36,993.57/x
  3. Step 3: Cross multiply
    43,193.67x = 64,678.41 × 36,993.57
  4. Step 4: Simplify right side
    43,193.67x = 2,392,685,287.82
  5. Step 5: Solve for x
    x = 2,392,685,287.82/43,193.67
  6. Step 6: Final answer
    x = 55,394.35

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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.