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Finding the Fourth Proportional to 36,699.44, 54,913.08 and 21,916.40

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Solution

The fourth proportional to 36,699.44, 54,913.08 and 21,916.40 is: 32,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.44 : 54,913.08 = 21,916.40 : x
  2. Step 2: Convert to fraction form
    36,699.44/54,913.08 = 21,916.40/x
  3. Step 3: Cross multiply
    36,699.44x = 54,913.08 × 21,916.40
  4. Step 4: Simplify right side
    36,699.44x = 1,203,497,026.51
  5. Step 5: Solve for x
    x = 1,203,497,026.51/36,699.44
  6. Step 6: Final answer
    x = 32,793.33

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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.