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Finding the Fourth Proportional to 6,103.69, 9,155.53 and 1,486.69

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Solution

The fourth proportional to 6,103.69, 9,155.53 and 1,486.69 is: 2,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.69 : 9,155.53 = 1,486.69 : x
  2. Step 2: Convert to fraction form
    6,103.69/9,155.53 = 1,486.69/x
  3. Step 3: Cross multiply
    6,103.69x = 9,155.53 × 1,486.69
  4. Step 4: Simplify right side
    6,103.69x = 13,611,413.87
  5. Step 5: Solve for x
    x = 13,611,413.87/6,103.69
  6. Step 6: Final answer
    x = 2,230.03

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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.