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Finding the Fourth Proportional to 2,802.73, 4,204.06 and 854.93

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Solution

The fourth proportional to 2,802.73, 4,204.06 and 854.93 is: 1,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.73 : 4,204.06 = 854.93 : x
  2. Step 2: Convert to fraction form
    2,802.73/4,204.06 = 854.93/x
  3. Step 3: Cross multiply
    2,802.73x = 4,204.06 × 854.93
  4. Step 4: Simplify right side
    2,802.73x = 3,594,177.02
  5. Step 5: Solve for x
    x = 3,594,177.02/2,802.73
  6. Step 6: Final answer
    x = 1,282.38

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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.