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Finding the Fourth Proportional to 4,803.83, 6,629.79 and 2,816.05

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Solution

The fourth proportional to 4,803.83, 6,629.79 and 2,816.05 is: 3,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.83 : 6,629.79 = 2,816.05 : x
  2. Step 2: Convert to fraction form
    4,803.83/6,629.79 = 2,816.05/x
  3. Step 3: Cross multiply
    4,803.83x = 6,629.79 × 2,816.05
  4. Step 4: Simplify right side
    4,803.83x = 18,669,828.42
  5. Step 5: Solve for x
    x = 18,669,828.42/4,803.83
  6. Step 6: Final answer
    x = 3,886.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.