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Finding the Fourth Proportional to 14,091.69, 19,445.36 and 7,803.93

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Solution

The fourth proportional to 14,091.69, 19,445.36 and 7,803.93 is: 10,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.69 : 19,445.36 = 7,803.93 : x
  2. Step 2: Convert to fraction form
    14,091.69/19,445.36 = 7,803.93/x
  3. Step 3: Cross multiply
    14,091.69x = 19,445.36 × 7,803.93
  4. Step 4: Simplify right side
    14,091.69x = 151,750,189.25
  5. Step 5: Solve for x
    x = 151,750,189.25/14,091.69
  6. Step 6: Final answer
    x = 10,768.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.