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Finding the Fourth Proportional to 2,013.96, 3,020.52 and 552.93

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Solution

The fourth proportional to 2,013.96, 3,020.52 and 552.93 is: 829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.96 : 3,020.52 = 552.93 : x
  2. Step 2: Convert to fraction form
    2,013.96/3,020.52 = 552.93/x
  3. Step 3: Cross multiply
    2,013.96x = 3,020.52 × 552.93
  4. Step 4: Simplify right side
    2,013.96x = 1,670,136.12
  5. Step 5: Solve for x
    x = 1,670,136.12/2,013.96
  6. Step 6: Final answer
    x = 829.28

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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.