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Finding the Fourth Proportional to 44,383, 66,516.16 and 21,906.04

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Solution

The fourth proportional to 44,383, 66,516.16 and 21,906.04 is: 32,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,383 : 66,516.16 = 21,906.04 : x
  2. Step 2: Convert to fraction form
    44,383/66,516.16 = 21,906.04/x
  3. Step 3: Cross multiply
    44,383x = 66,516.16 × 21,906.04
  4. Step 4: Simplify right side
    44,383x = 1,457,105,661.61
  5. Step 5: Solve for x
    x = 1,457,105,661.61/44,383
  6. Step 6: Final answer
    x = 32,830.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.