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Finding the Fourth Proportional to 19,296.40, 26,632.12 and 11,340.60

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Solution

The fourth proportional to 19,296.40, 26,632.12 and 11,340.60 is: 15,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.40 : 26,632.12 = 11,340.60 : x
  2. Step 2: Convert to fraction form
    19,296.40/26,632.12 = 11,340.60/x
  3. Step 3: Cross multiply
    19,296.40x = 26,632.12 × 11,340.60
  4. Step 4: Simplify right side
    19,296.40x = 302,024,220.07
  5. Step 5: Solve for x
    x = 302,024,220.07/19,296.40
  6. Step 6: Final answer
    x = 15,651.84

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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.