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Finding the Fourth Proportional to 4,763.03, 7,142.55 and 1,800.98

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Solution

The fourth proportional to 4,763.03, 7,142.55 and 1,800.98 is: 2,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.03 : 7,142.55 = 1,800.98 : x
  2. Step 2: Convert to fraction form
    4,763.03/7,142.55 = 1,800.98/x
  3. Step 3: Cross multiply
    4,763.03x = 7,142.55 × 1,800.98
  4. Step 4: Simplify right side
    4,763.03x = 12,863,562.84
  5. Step 5: Solve for x
    x = 12,863,562.84/4,763.03
  6. Step 6: Final answer
    x = 2,700.71

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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.