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Finding the Fourth Proportional to 29,960, 44,712.18 and 26,638.60

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Solution

The fourth proportional to 29,960, 44,712.18 and 26,638.60 is: 39,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,960 : 44,712.18 = 26,638.60 : x
  2. Step 2: Convert to fraction form
    29,960/44,712.18 = 26,638.60/x
  3. Step 3: Cross multiply
    29,960x = 44,712.18 × 26,638.60
  4. Step 4: Simplify right side
    29,960x = 1,191,069,878.15
  5. Step 5: Solve for x
    x = 1,191,069,878.15/29,960
  6. Step 6: Final answer
    x = 39,755.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.