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Finding the Fourth Proportional to 16,636.36, 22,962.81 and 9,565.06

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Solution

The fourth proportional to 16,636.36, 22,962.81 and 9,565.06 is: 13,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.36 : 22,962.81 = 9,565.06 : x
  2. Step 2: Convert to fraction form
    16,636.36/22,962.81 = 9,565.06/x
  3. Step 3: Cross multiply
    16,636.36x = 22,962.81 × 9,565.06
  4. Step 4: Simplify right side
    16,636.36x = 219,640,655.42
  5. Step 5: Solve for x
    x = 219,640,655.42/16,636.36
  6. Step 6: Final answer
    x = 13,202.45

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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.