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Finding the Fourth Proportional to 23,636.18, 32,618.22 and 15,664.16

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Solution

The fourth proportional to 23,636.18, 32,618.22 and 15,664.16 is: 21,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,636.18 : 32,618.22 = 15,664.16 : x
  2. Step 2: Convert to fraction form
    23,636.18/32,618.22 = 15,664.16/x
  3. Step 3: Cross multiply
    23,636.18x = 32,618.22 × 15,664.16
  4. Step 4: Simplify right side
    23,636.18x = 510,937,017.00
  5. Step 5: Solve for x
    x = 510,937,017.00/23,636.18
  6. Step 6: Final answer
    x = 21,616.73

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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.