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Finding the Fourth Proportional to 13,599.24, 18,767.93 and 7,549.80

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Solution

The fourth proportional to 13,599.24, 18,767.93 and 7,549.80 is: 10,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.24 : 18,767.93 = 7,549.80 : x
  2. Step 2: Convert to fraction form
    13,599.24/18,767.93 = 7,549.80/x
  3. Step 3: Cross multiply
    13,599.24x = 18,767.93 × 7,549.80
  4. Step 4: Simplify right side
    13,599.24x = 141,694,080.17
  5. Step 5: Solve for x
    x = 141,694,080.17/13,599.24
  6. Step 6: Final answer
    x = 10,419.26

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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.