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Finding the Fourth Proportional to 8,047.62, 12,071.43 and 3,365.07

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Solution

The fourth proportional to 8,047.62, 12,071.43 and 3,365.07 is: 5,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.62 : 12,071.43 = 3,365.07 : x
  2. Step 2: Convert to fraction form
    8,047.62/12,071.43 = 3,365.07/x
  3. Step 3: Cross multiply
    8,047.62x = 12,071.43 × 3,365.07
  4. Step 4: Simplify right side
    8,047.62x = 40,621,206.95
  5. Step 5: Solve for x
    x = 40,621,206.95/8,047.62
  6. Step 6: Final answer
    x = 5,047.61

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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.