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Finding the Fourth Proportional to 4,918.96, 7,363.86 and 4,520.44

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Solution

The fourth proportional to 4,918.96, 7,363.86 and 4,520.44 is: 6,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.96 : 7,363.86 = 4,520.44 : x
  2. Step 2: Convert to fraction form
    4,918.96/7,363.86 = 4,520.44/x
  3. Step 3: Cross multiply
    4,918.96x = 7,363.86 × 4,520.44
  4. Step 4: Simplify right side
    4,918.96x = 33,287,887.30
  5. Step 5: Solve for x
    x = 33,287,887.30/4,918.96
  6. Step 6: Final answer
    x = 6,767.26

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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.