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Finding the Fourth Proportional to 4,253.63, 6,379.85 and 1,133.89

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Solution

The fourth proportional to 4,253.63, 6,379.85 and 1,133.89 is: 1,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.63 : 6,379.85 = 1,133.89 : x
  2. Step 2: Convert to fraction form
    4,253.63/6,379.85 = 1,133.89/x
  3. Step 3: Cross multiply
    4,253.63x = 6,379.85 × 1,133.89
  4. Step 4: Simplify right side
    4,253.63x = 7,234,035.00
  5. Step 5: Solve for x
    x = 7,234,035.00/4,253.63
  6. Step 6: Final answer
    x = 1,700.68

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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.