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Finding the Fourth Proportional to 4,846.47, 7,270.31 and 1,559.49

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Solution

The fourth proportional to 4,846.47, 7,270.31 and 1,559.49 is: 2,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.47 : 7,270.31 = 1,559.49 : x
  2. Step 2: Convert to fraction form
    4,846.47/7,270.31 = 1,559.49/x
  3. Step 3: Cross multiply
    4,846.47x = 7,270.31 × 1,559.49
  4. Step 4: Simplify right side
    4,846.47x = 11,337,967.94
  5. Step 5: Solve for x
    x = 11,337,967.94/4,846.47
  6. Step 6: Final answer
    x = 2,339.43

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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.