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Finding the Fourth Proportional to 4,676.76, 7,003.70 and 3,028.36

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Solution

The fourth proportional to 4,676.76, 7,003.70 and 3,028.36 is: 4,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.76 : 7,003.70 = 3,028.36 : x
  2. Step 2: Convert to fraction form
    4,676.76/7,003.70 = 3,028.36/x
  3. Step 3: Cross multiply
    4,676.76x = 7,003.70 × 3,028.36
  4. Step 4: Simplify right side
    4,676.76x = 21,209,724.93
  5. Step 5: Solve for x
    x = 21,209,724.93/4,676.76
  6. Step 6: Final answer
    x = 4,535.13

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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.