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Finding the Fourth Proportional to 5,873.85, 8,810.73 and 5,174.01

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Solution

The fourth proportional to 5,873.85, 8,810.73 and 5,174.01 is: 7,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.85 : 8,810.73 = 5,174.01 : x
  2. Step 2: Convert to fraction form
    5,873.85/8,810.73 = 5,174.01/x
  3. Step 3: Cross multiply
    5,873.85x = 8,810.73 × 5,174.01
  4. Step 4: Simplify right side
    5,873.85x = 45,586,805.13
  5. Step 5: Solve for x
    x = 45,586,805.13/5,873.85
  6. Step 6: Final answer
    x = 7,760.98

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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.