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Finding the Fourth Proportional to 4,674.51, 7,010.01 and 2,205.09

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Solution

The fourth proportional to 4,674.51, 7,010.01 and 2,205.09 is: 3,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.51 : 7,010.01 = 2,205.09 : x
  2. Step 2: Convert to fraction form
    4,674.51/7,010.01 = 2,205.09/x
  3. Step 3: Cross multiply
    4,674.51x = 7,010.01 × 2,205.09
  4. Step 4: Simplify right side
    4,674.51x = 15,457,702.95
  5. Step 5: Solve for x
    x = 15,457,702.95/4,674.51
  6. Step 6: Final answer
    x = 3,306.81

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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.