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Finding the Fourth Proportional to 40,266, 55,567.82 and 22,362.66

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Solution

The fourth proportional to 40,266, 55,567.82 and 22,362.66 is: 30,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266 : 55,567.82 = 22,362.66 : x
  2. Step 2: Convert to fraction form
    40,266/55,567.82 = 22,362.66/x
  3. Step 3: Cross multiply
    40,266x = 55,567.82 × 22,362.66
  4. Step 4: Simplify right side
    40,266x = 1,242,644,153.79
  5. Step 5: Solve for x
    x = 1,242,644,153.79/40,266
  6. Step 6: Final answer
    x = 30,860.88

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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.