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Finding the Fourth Proportional to 4,836.78, 7,256.25 and 2,644.38

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Solution

The fourth proportional to 4,836.78, 7,256.25 and 2,644.38 is: 3,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.78 : 7,256.25 = 2,644.38 : x
  2. Step 2: Convert to fraction form
    4,836.78/7,256.25 = 2,644.38/x
  3. Step 3: Cross multiply
    4,836.78x = 7,256.25 × 2,644.38
  4. Step 4: Simplify right side
    4,836.78x = 19,188,282.38
  5. Step 5: Solve for x
    x = 19,188,282.38/4,836.78
  6. Step 6: Final answer
    x = 3,967.16

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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.