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Finding the Fourth Proportional to 8,009.46, 12,014.19 and 5,530.74

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Solution

The fourth proportional to 8,009.46, 12,014.19 and 5,530.74 is: 8,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.46 : 12,014.19 = 5,530.74 : x
  2. Step 2: Convert to fraction form
    8,009.46/12,014.19 = 5,530.74/x
  3. Step 3: Cross multiply
    8,009.46x = 12,014.19 × 5,530.74
  4. Step 4: Simplify right side
    8,009.46x = 66,447,361.20
  5. Step 5: Solve for x
    x = 66,447,361.20/8,009.46
  6. Step 6: Final answer
    x = 8,296.11

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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.