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Finding the Fourth Proportional to 4,738.23, 7,115.54 and 4,367.39

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Solution

The fourth proportional to 4,738.23, 7,115.54 and 4,367.39 is: 6,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.23 : 7,115.54 = 4,367.39 : x
  2. Step 2: Convert to fraction form
    4,738.23/7,115.54 = 4,367.39/x
  3. Step 3: Cross multiply
    4,738.23x = 7,115.54 × 4,367.39
  4. Step 4: Simplify right side
    4,738.23x = 31,076,280.83
  5. Step 5: Solve for x
    x = 31,076,280.83/4,738.23
  6. Step 6: Final answer
    x = 6,558.63

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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.