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Finding the Fourth Proportional to 13,026.34, 19,554.09 and 8,652.34

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Solution

The fourth proportional to 13,026.34, 19,554.09 and 8,652.34 is: 12,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.34 : 19,554.09 = 8,652.34 : x
  2. Step 2: Convert to fraction form
    13,026.34/19,554.09 = 8,652.34/x
  3. Step 3: Cross multiply
    13,026.34x = 19,554.09 × 8,652.34
  4. Step 4: Simplify right side
    13,026.34x = 169,188,586.19
  5. Step 5: Solve for x
    x = 169,188,586.19/13,026.34
  6. Step 6: Final answer
    x = 12,988.19

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Why These Related Problems?

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