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Finding the Fourth Proportional to 39,611.88, 54,664.43 and 23,700.11

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Solution

The fourth proportional to 39,611.88, 54,664.43 and 23,700.11 is: 32,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.88 : 54,664.43 = 23,700.11 : x
  2. Step 2: Convert to fraction form
    39,611.88/54,664.43 = 23,700.11/x
  3. Step 3: Cross multiply
    39,611.88x = 54,664.43 × 23,700.11
  4. Step 4: Simplify right side
    39,611.88x = 1,295,552,612.26
  5. Step 5: Solve for x
    x = 1,295,552,612.26/39,611.88
  6. Step 6: Final answer
    x = 32,706.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.