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Finding the Fourth Proportional to 4,837.17, 7,255.80 and 1,374.42

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Solution

The fourth proportional to 4,837.17, 7,255.80 and 1,374.42 is: 2,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.17 : 7,255.80 = 1,374.42 : x
  2. Step 2: Convert to fraction form
    4,837.17/7,255.80 = 1,374.42/x
  3. Step 3: Cross multiply
    4,837.17x = 7,255.80 × 1,374.42
  4. Step 4: Simplify right side
    4,837.17x = 9,972,516.64
  5. Step 5: Solve for x
    x = 9,972,516.64/4,837.17
  6. Step 6: Final answer
    x = 2,061.64

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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.