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Finding the Fourth Proportional to 13,416.34, 20,034.16 and 10,955.96

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Solution

The fourth proportional to 13,416.34, 20,034.16 and 10,955.96 is: 16,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.34 : 20,034.16 = 10,955.96 : x
  2. Step 2: Convert to fraction form
    13,416.34/20,034.16 = 10,955.96/x
  3. Step 3: Cross multiply
    13,416.34x = 20,034.16 × 10,955.96
  4. Step 4: Simplify right side
    13,416.34x = 219,493,455.59
  5. Step 5: Solve for x
    x = 219,493,455.59/13,416.34
  6. Step 6: Final answer
    x = 16,360.16

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.