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Finding the Fourth Proportional to 4,971.93, 7,458.89 and 1,851.96

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Solution

The fourth proportional to 4,971.93, 7,458.89 and 1,851.96 is: 2,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.93 : 7,458.89 = 1,851.96 : x
  2. Step 2: Convert to fraction form
    4,971.93/7,458.89 = 1,851.96/x
  3. Step 3: Cross multiply
    4,971.93x = 7,458.89 × 1,851.96
  4. Step 4: Simplify right side
    4,971.93x = 13,813,584.64
  5. Step 5: Solve for x
    x = 13,813,584.64/4,971.93
  6. Step 6: Final answer
    x = 2,778.31

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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.