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Finding the Fourth Proportional to 10,485.08, 14,469.56 and 5,769.32

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Solution

The fourth proportional to 10,485.08, 14,469.56 and 5,769.32 is: 7,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.08 : 14,469.56 = 5,769.32 : x
  2. Step 2: Convert to fraction form
    10,485.08/14,469.56 = 5,769.32/x
  3. Step 3: Cross multiply
    10,485.08x = 14,469.56 × 5,769.32
  4. Step 4: Simplify right side
    10,485.08x = 83,479,521.90
  5. Step 5: Solve for x
    x = 83,479,521.90/10,485.08
  6. Step 6: Final answer
    x = 7,961.74

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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.