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Finding the Fourth Proportional to 23,445.57, 35,171.45 and 7,645.06

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Solution

The fourth proportional to 23,445.57, 35,171.45 and 7,645.06 is: 11,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,445.57 : 35,171.45 = 7,645.06 : x
  2. Step 2: Convert to fraction form
    23,445.57/35,171.45 = 7,645.06/x
  3. Step 3: Cross multiply
    23,445.57x = 35,171.45 × 7,645.06
  4. Step 4: Simplify right side
    23,445.57x = 268,887,845.54
  5. Step 5: Solve for x
    x = 268,887,845.54/23,445.57
  6. Step 6: Final answer
    x = 11,468.60

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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.