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Finding the Fourth Proportional to 3,047.63, 4,571.44 and 995.63

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Solution

The fourth proportional to 3,047.63, 4,571.44 and 995.63 is: 1,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.63 : 4,571.44 = 995.63 : x
  2. Step 2: Convert to fraction form
    3,047.63/4,571.44 = 995.63/x
  3. Step 3: Cross multiply
    3,047.63x = 4,571.44 × 995.63
  4. Step 4: Simplify right side
    3,047.63x = 4,551,437.46
  5. Step 5: Solve for x
    x = 4,551,437.46/3,047.63
  6. Step 6: Final answer
    x = 1,493.44

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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.