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Finding the Fourth Proportional to 13,526.22, 18,690.03 and 10,409.34

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Solution

The fourth proportional to 13,526.22, 18,690.03 and 10,409.34 is: 14,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.22 : 18,690.03 = 10,409.34 : x
  2. Step 2: Convert to fraction form
    13,526.22/18,690.03 = 10,409.34/x
  3. Step 3: Cross multiply
    13,526.22x = 18,690.03 × 10,409.34
  4. Step 4: Simplify right side
    13,526.22x = 194,550,876.88
  5. Step 5: Solve for x
    x = 194,550,876.88/13,526.22
  6. Step 6: Final answer
    x = 14,383.24

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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.