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Finding the Fourth Proportional to 29,442, 40,630.60 and 16,194

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Solution

The fourth proportional to 29,442, 40,630.60 and 16,194 is: 22,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442 : 40,630.60 = 16,194 : x
  2. Step 2: Convert to fraction form
    29,442/40,630.60 = 16,194/x
  3. Step 3: Cross multiply
    29,442x = 40,630.60 × 16,194
  4. Step 4: Simplify right side
    29,442x = 657,971,936.40
  5. Step 5: Solve for x
    x = 657,971,936.40/29,442
  6. Step 6: Final answer
    x = 22,348.07

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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.