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Finding the Fourth Proportional to 6,327.90, 9,493.50 and 1,945.26

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Solution

The fourth proportional to 6,327.90, 9,493.50 and 1,945.26 is: 2,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.90 : 9,493.50 = 1,945.26 : x
  2. Step 2: Convert to fraction form
    6,327.90/9,493.50 = 1,945.26/x
  3. Step 3: Cross multiply
    6,327.90x = 9,493.50 × 1,945.26
  4. Step 4: Simplify right side
    6,327.90x = 18,467,325.81
  5. Step 5: Solve for x
    x = 18,467,325.81/6,327.90
  6. Step 6: Final answer
    x = 2,918.40

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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.