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Finding the Fourth Proportional to 2,004.79, 3,007.03 and 705.35

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Solution

The fourth proportional to 2,004.79, 3,007.03 and 705.35 is: 1,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.79 : 3,007.03 = 705.35 : x
  2. Step 2: Convert to fraction form
    2,004.79/3,007.03 = 705.35/x
  3. Step 3: Cross multiply
    2,004.79x = 3,007.03 × 705.35
  4. Step 4: Simplify right side
    2,004.79x = 2,120,995.04
  5. Step 5: Solve for x
    x = 2,120,995.04/2,004.79
  6. Step 6: Final answer
    x = 1,057.96

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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.