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Finding the Fourth Proportional to 5,374.93, 8,062.91 and 1,864.39

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Solution

The fourth proportional to 5,374.93, 8,062.91 and 1,864.39 is: 2,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.93 : 8,062.91 = 1,864.39 : x
  2. Step 2: Convert to fraction form
    5,374.93/8,062.91 = 1,864.39/x
  3. Step 3: Cross multiply
    5,374.93x = 8,062.91 × 1,864.39
  4. Step 4: Simplify right side
    5,374.93x = 15,032,408.77
  5. Step 5: Solve for x
    x = 15,032,408.77/5,374.93
  6. Step 6: Final answer
    x = 2,796.76

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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.