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Finding the Fourth Proportional to 2,803.66, 4,204.99 and 1,048.27

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Solution

The fourth proportional to 2,803.66, 4,204.99 and 1,048.27 is: 1,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.66 : 4,204.99 = 1,048.27 : x
  2. Step 2: Convert to fraction form
    2,803.66/4,204.99 = 1,048.27/x
  3. Step 3: Cross multiply
    2,803.66x = 4,204.99 × 1,048.27
  4. Step 4: Simplify right side
    2,803.66x = 4,407,964.87
  5. Step 5: Solve for x
    x = 4,407,964.87/2,803.66
  6. Step 6: Final answer
    x = 1,572.22

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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.