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Finding the Fourth Proportional to 13,564.08, 18,720.03 and 7,594.59

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Solution

The fourth proportional to 13,564.08, 18,720.03 and 7,594.59 is: 10,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.08 : 18,720.03 = 7,594.59 : x
  2. Step 2: Convert to fraction form
    13,564.08/18,720.03 = 7,594.59/x
  3. Step 3: Cross multiply
    13,564.08x = 18,720.03 × 7,594.59
  4. Step 4: Simplify right side
    13,564.08x = 142,171,051.32
  5. Step 5: Solve for x
    x = 142,171,051.32/13,564.08
  6. Step 6: Final answer
    x = 10,481.44

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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.