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Finding the Fourth Proportional to 19,064.46, 26,308.92 and 11,612.46

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Solution

The fourth proportional to 19,064.46, 26,308.92 and 11,612.46 is: 16,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.46 : 26,308.92 = 11,612.46 : x
  2. Step 2: Convert to fraction form
    19,064.46/26,308.92 = 11,612.46/x
  3. Step 3: Cross multiply
    19,064.46x = 26,308.92 × 11,612.46
  4. Step 4: Simplify right side
    19,064.46x = 305,511,281.14
  5. Step 5: Solve for x
    x = 305,511,281.14/19,064.46
  6. Step 6: Final answer
    x = 16,025.17

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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.