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Finding the Fourth Proportional to 8,008.96, 12,012.99 and 2,165.14

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Solution

The fourth proportional to 8,008.96, 12,012.99 and 2,165.14 is: 3,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.96 : 12,012.99 = 2,165.14 : x
  2. Step 2: Convert to fraction form
    8,008.96/12,012.99 = 2,165.14/x
  3. Step 3: Cross multiply
    8,008.96x = 12,012.99 × 2,165.14
  4. Step 4: Simplify right side
    8,008.96x = 26,009,805.17
  5. Step 5: Solve for x
    x = 26,009,805.17/8,008.96
  6. Step 6: Final answer
    x = 3,247.59

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Half scale
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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.