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Finding the Fourth Proportional to 8,006.58, 12,007.98 and 2,163.24

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Solution

The fourth proportional to 8,006.58, 12,007.98 and 2,163.24 is: 3,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.58 : 12,007.98 = 2,163.24 : x
  2. Step 2: Convert to fraction form
    8,006.58/12,007.98 = 2,163.24/x
  3. Step 3: Cross multiply
    8,006.58x = 12,007.98 × 2,163.24
  4. Step 4: Simplify right side
    8,006.58x = 25,976,142.66
  5. Step 5: Solve for x
    x = 25,976,142.66/8,006.58
  6. Step 6: Final answer
    x = 3,244.35

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Half scale
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Double scale
Find fourth proportional to 8,007.58, 12,009.48 and 2,164.24
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.