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Finding the Fourth Proportional to 4,674.78, 7,010.80 and 3,851.01

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Solution

The fourth proportional to 4,674.78, 7,010.80 and 3,851.01 is: 5,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.78 : 7,010.80 = 3,851.01 : x
  2. Step 2: Convert to fraction form
    4,674.78/7,010.80 = 3,851.01/x
  3. Step 3: Cross multiply
    4,674.78x = 7,010.80 × 3,851.01
  4. Step 4: Simplify right side
    4,674.78x = 26,998,651.28
  5. Step 5: Solve for x
    x = 26,998,651.28/4,674.78
  6. Step 6: Final answer
    x = 5,775.38

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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.