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Finding the Fourth Proportional to 8,009.68, 12,014.98 and 2,166.76

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Solution

The fourth proportional to 8,009.68, 12,014.98 and 2,166.76 is: 3,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.68 : 12,014.98 = 2,166.76 : x
  2. Step 2: Convert to fraction form
    8,009.68/12,014.98 = 2,166.76/x
  3. Step 3: Cross multiply
    8,009.68x = 12,014.98 × 2,166.76
  4. Step 4: Simplify right side
    8,009.68x = 26,033,578.06
  5. Step 5: Solve for x
    x = 26,033,578.06/8,009.68
  6. Step 6: Final answer
    x = 3,250.26

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Half scale
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Double scale
Find fourth proportional to 8,010.68, 12,016.48 and 2,167.76
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.