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Finding the Fourth Proportional to 66,552.72, 99,801.54 and 27,083.04

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Solution

The fourth proportional to 66,552.72, 99,801.54 and 27,083.04 is: 40,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.72 : 99,801.54 = 27,083.04 : x
  2. Step 2: Convert to fraction form
    66,552.72/99,801.54 = 27,083.04/x
  3. Step 3: Cross multiply
    66,552.72x = 99,801.54 × 27,083.04
  4. Step 4: Simplify right side
    66,552.72x = 2,702,929,099.88
  5. Step 5: Solve for x
    x = 2,702,929,099.88/66,552.72
  6. Step 6: Final answer
    x = 40,613.35

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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.