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Finding the Fourth Proportional to 29,342, 40,492.02 and 16,766.72

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Solution

The fourth proportional to 29,342, 40,492.02 and 16,766.72 is: 23,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342 : 40,492.02 = 16,766.72 : x
  2. Step 2: Convert to fraction form
    29,342/40,492.02 = 16,766.72/x
  3. Step 3: Cross multiply
    29,342x = 40,492.02 × 16,766.72
  4. Step 4: Simplify right side
    29,342x = 678,918,361.57
  5. Step 5: Solve for x
    x = 678,918,361.57/29,342
  6. Step 6: Final answer
    x = 23,138.11

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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.