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Finding the Fourth Proportional to 8,073.78, 12,110.34 and 2,230.23

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Solution

The fourth proportional to 8,073.78, 12,110.34 and 2,230.23 is: 3,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.78 : 12,110.34 = 2,230.23 : x
  2. Step 2: Convert to fraction form
    8,073.78/12,110.34 = 2,230.23/x
  3. Step 3: Cross multiply
    8,073.78x = 12,110.34 × 2,230.23
  4. Step 4: Simplify right side
    8,073.78x = 27,008,843.58
  5. Step 5: Solve for x
    x = 27,008,843.58/8,073.78
  6. Step 6: Final answer
    x = 3,345.25

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Half scale
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Double scale
Find fourth proportional to 8,074.78, 12,111.84 and 2,231.23
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.