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Finding the Fourth Proportional to 4,786.98, 7,180.47 and 1,500.33

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Solution

The fourth proportional to 4,786.98, 7,180.47 and 1,500.33 is: 2,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.98 : 7,180.47 = 1,500.33 : x
  2. Step 2: Convert to fraction form
    4,786.98/7,180.47 = 1,500.33/x
  3. Step 3: Cross multiply
    4,786.98x = 7,180.47 × 1,500.33
  4. Step 4: Simplify right side
    4,786.98x = 10,773,074.56
  5. Step 5: Solve for x
    x = 10,773,074.56/4,786.98
  6. Step 6: Final answer
    x = 2,250.50

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Double scale
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Similar ratio
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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.