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Finding the Fourth Proportional to 5,391.53, 8,039.67 and 4,736.09

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Solution

The fourth proportional to 5,391.53, 8,039.67 and 4,736.09 is: 7,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.53 : 8,039.67 = 4,736.09 : x
  2. Step 2: Convert to fraction form
    5,391.53/8,039.67 = 4,736.09/x
  3. Step 3: Cross multiply
    5,391.53x = 8,039.67 × 4,736.09
  4. Step 4: Simplify right side
    5,391.53x = 38,076,560.49
  5. Step 5: Solve for x
    x = 38,076,560.49/5,391.53
  6. Step 6: Final answer
    x = 7,062.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.