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Finding the Fourth Proportional to 46,676.44, 69,993.96 and 13,388.92

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Solution

The fourth proportional to 46,676.44, 69,993.96 and 13,388.92 is: 20,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,676.44 : 69,993.96 = 13,388.92 : x
  2. Step 2: Convert to fraction form
    46,676.44/69,993.96 = 13,388.92/x
  3. Step 3: Cross multiply
    46,676.44x = 69,993.96 × 13,388.92
  4. Step 4: Simplify right side
    46,676.44x = 937,143,530.92
  5. Step 5: Solve for x
    x = 937,143,530.92/46,676.44
  6. Step 6: Final answer
    x = 20,077.44

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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.