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Finding the Fourth Proportional to 1,848.03, 2,773.61 and 808.86

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Solution

The fourth proportional to 1,848.03, 2,773.61 and 808.86 is: 1,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.03 : 2,773.61 = 808.86 : x
  2. Step 2: Convert to fraction form
    1,848.03/2,773.61 = 808.86/x
  3. Step 3: Cross multiply
    1,848.03x = 2,773.61 × 808.86
  4. Step 4: Simplify right side
    1,848.03x = 2,243,462.18
  5. Step 5: Solve for x
    x = 2,243,462.18/1,848.03
  6. Step 6: Final answer
    x = 1,213.97

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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.