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Finding the Fourth Proportional to 17,808.21, 26,712 and 5,328.27

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Solution

The fourth proportional to 17,808.21, 26,712 and 5,328.27 is: 7,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.21 : 26,712 = 5,328.27 : x
  2. Step 2: Convert to fraction form
    17,808.21/26,712 = 5,328.27/x
  3. Step 3: Cross multiply
    17,808.21x = 26,712 × 5,328.27
  4. Step 4: Simplify right side
    17,808.21x = 142,328,748.24
  5. Step 5: Solve for x
    x = 142,328,748.24/17,808.21
  6. Step 6: Final answer
    x = 7,992.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.