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Finding the Fourth Proportional to 6,148.54, 8,482.98 and 3,629.80

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Solution

The fourth proportional to 6,148.54, 8,482.98 and 3,629.80 is: 5,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.54 : 8,482.98 = 3,629.80 : x
  2. Step 2: Convert to fraction form
    6,148.54/8,482.98 = 3,629.80/x
  3. Step 3: Cross multiply
    6,148.54x = 8,482.98 × 3,629.80
  4. Step 4: Simplify right side
    6,148.54x = 30,791,520.80
  5. Step 5: Solve for x
    x = 30,791,520.80/6,148.54
  6. Step 6: Final answer
    x = 5,007.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.