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Finding the Fourth Proportional to 3,176.04, 4,764.06 and 867.56

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Solution

The fourth proportional to 3,176.04, 4,764.06 and 867.56 is: 1,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.04 : 4,764.06 = 867.56 : x
  2. Step 2: Convert to fraction form
    3,176.04/4,764.06 = 867.56/x
  3. Step 3: Cross multiply
    3,176.04x = 4,764.06 × 867.56
  4. Step 4: Simplify right side
    3,176.04x = 4,133,107.89
  5. Step 5: Solve for x
    x = 4,133,107.89/3,176.04
  6. Step 6: Final answer
    x = 1,301.34

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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.