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Finding the Fourth Proportional to 11,659.70, 16,090.40 and 6,354.52

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Solution

The fourth proportional to 11,659.70, 16,090.40 and 6,354.52 is: 8,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.70 : 16,090.40 = 6,354.52 : x
  2. Step 2: Convert to fraction form
    11,659.70/16,090.40 = 6,354.52/x
  3. Step 3: Cross multiply
    11,659.70x = 16,090.40 × 6,354.52
  4. Step 4: Simplify right side
    11,659.70x = 102,246,721.71
  5. Step 5: Solve for x
    x = 102,246,721.71/11,659.70
  6. Step 6: Final answer
    x = 8,769.24

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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.