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Finding the Fourth Proportional to 4,976.55, 7,460.75 and 2,755.29

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Solution

The fourth proportional to 4,976.55, 7,460.75 and 2,755.29 is: 4,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.55 : 7,460.75 = 2,755.29 : x
  2. Step 2: Convert to fraction form
    4,976.55/7,460.75 = 2,755.29/x
  3. Step 3: Cross multiply
    4,976.55x = 7,460.75 × 2,755.29
  4. Step 4: Simplify right side
    4,976.55x = 20,556,564.73
  5. Step 5: Solve for x
    x = 20,556,564.73/4,976.55
  6. Step 6: Final answer
    x = 4,130.69

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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.