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Finding the Fourth Proportional to 14,091.98, 19,446.93 and 7,804.36

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Solution

The fourth proportional to 14,091.98, 19,446.93 and 7,804.36 is: 10,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.98 : 19,446.93 = 7,804.36 : x
  2. Step 2: Convert to fraction form
    14,091.98/19,446.93 = 7,804.36/x
  3. Step 3: Cross multiply
    14,091.98x = 19,446.93 × 7,804.36
  4. Step 4: Simplify right side
    14,091.98x = 151,770,745.38
  5. Step 5: Solve for x
    x = 151,770,745.38/14,091.98
  6. Step 6: Final answer
    x = 10,770.01

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.