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Finding the Fourth Proportional to 4,968.54, 7,442.89 and 2,882.39

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Solution

The fourth proportional to 4,968.54, 7,442.89 and 2,882.39 is: 4,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.54 : 7,442.89 = 2,882.39 : x
  2. Step 2: Convert to fraction form
    4,968.54/7,442.89 = 2,882.39/x
  3. Step 3: Cross multiply
    4,968.54x = 7,442.89 × 2,882.39
  4. Step 4: Simplify right side
    4,968.54x = 21,453,267.29
  5. Step 5: Solve for x
    x = 21,453,267.29/4,968.54
  6. Step 6: Final answer
    x = 4,317.82

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1.5x scale

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.