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Finding the Fourth Proportional to 2,007.12, 3,010.06 and 708.29

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Solution

The fourth proportional to 2,007.12, 3,010.06 and 708.29 is: 1,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.12 : 3,010.06 = 708.29 : x
  2. Step 2: Convert to fraction form
    2,007.12/3,010.06 = 708.29/x
  3. Step 3: Cross multiply
    2,007.12x = 3,010.06 × 708.29
  4. Step 4: Simplify right side
    2,007.12x = 2,131,980.35
  5. Step 5: Solve for x
    x = 2,131,980.35/2,007.12
  6. Step 6: Final answer
    x = 1,062.21

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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.