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Finding the Fourth Proportional to 8,853.63, 13,280.44 and 2,697.63

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Solution

The fourth proportional to 8,853.63, 13,280.44 and 2,697.63 is: 4,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.63 : 13,280.44 = 2,697.63 : x
  2. Step 2: Convert to fraction form
    8,853.63/13,280.44 = 2,697.63/x
  3. Step 3: Cross multiply
    8,853.63x = 13,280.44 × 2,697.63
  4. Step 4: Simplify right side
    8,853.63x = 35,825,713.36
  5. Step 5: Solve for x
    x = 35,825,713.36/8,853.63
  6. Step 6: Final answer
    x = 4,046.44

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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.