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Finding the Fourth Proportional to 21,345.39, 32,022.41 and 7,495.47

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Solution

The fourth proportional to 21,345.39, 32,022.41 and 7,495.47 is: 11,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.39 : 32,022.41 = 7,495.47 : x
  2. Step 2: Convert to fraction form
    21,345.39/32,022.41 = 7,495.47/x
  3. Step 3: Cross multiply
    21,345.39x = 32,022.41 × 7,495.47
  4. Step 4: Simplify right side
    21,345.39x = 240,022,976.01
  5. Step 5: Solve for x
    x = 240,022,976.01/21,345.39
  6. Step 6: Final answer
    x = 11,244.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.