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Finding the Fourth Proportional to 19,168.32, 26,452.80 and 10,785.12

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Solution

The fourth proportional to 19,168.32, 26,452.80 and 10,785.12 is: 14,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.32 : 26,452.80 = 10,785.12 : x
  2. Step 2: Convert to fraction form
    19,168.32/26,452.80 = 10,785.12/x
  3. Step 3: Cross multiply
    19,168.32x = 26,452.80 × 10,785.12
  4. Step 4: Simplify right side
    19,168.32x = 285,296,622.34
  5. Step 5: Solve for x
    x = 285,296,622.34/19,168.32
  6. Step 6: Final answer
    x = 14,883.76

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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.