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Finding the Fourth Proportional to 29,160.90, 40,261.40 and 22,434.66

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Solution

The fourth proportional to 29,160.90, 40,261.40 and 22,434.66 is: 30,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160.90 : 40,261.40 = 22,434.66 : x
  2. Step 2: Convert to fraction form
    29,160.90/40,261.40 = 22,434.66/x
  3. Step 3: Cross multiply
    29,160.90x = 40,261.40 × 22,434.66
  4. Step 4: Simplify right side
    29,160.90x = 903,250,618.82
  5. Step 5: Solve for x
    x = 903,250,618.82/29,160.90
  6. Step 6: Final answer
    x = 30,974.72

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