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Finding the Fourth Proportional to 4,586.16, 6,879.24 and 2,943.48

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Solution

The fourth proportional to 4,586.16, 6,879.24 and 2,943.48 is: 4,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.16 : 6,879.24 = 2,943.48 : x
  2. Step 2: Convert to fraction form
    4,586.16/6,879.24 = 2,943.48/x
  3. Step 3: Cross multiply
    4,586.16x = 6,879.24 × 2,943.48
  4. Step 4: Simplify right side
    4,586.16x = 20,248,905.36
  5. Step 5: Solve for x
    x = 20,248,905.36/4,586.16
  6. Step 6: Final answer
    x = 4,415.22

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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.