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Finding the Fourth Proportional to 16,681.36, 23,019.06 and 9,126.04

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Solution

The fourth proportional to 16,681.36, 23,019.06 and 9,126.04 is: 12,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.36 : 23,019.06 = 9,126.04 : x
  2. Step 2: Convert to fraction form
    16,681.36/23,019.06 = 9,126.04/x
  3. Step 3: Cross multiply
    16,681.36x = 23,019.06 × 9,126.04
  4. Step 4: Simplify right side
    16,681.36x = 210,072,862.32
  5. Step 5: Solve for x
    x = 210,072,862.32/16,681.36
  6. Step 6: Final answer
    x = 12,593.27

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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.