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Finding the Fourth Proportional to 43,898, 60,557.64 and 29,755.28

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Solution

The fourth proportional to 43,898, 60,557.64 and 29,755.28 is: 41,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,898 : 60,557.64 = 29,755.28 : x
  2. Step 2: Convert to fraction form
    43,898/60,557.64 = 29,755.28/x
  3. Step 3: Cross multiply
    43,898x = 60,557.64 × 29,755.28
  4. Step 4: Simplify right side
    43,898x = 1,801,909,534.34
  5. Step 5: Solve for x
    x = 1,801,909,534.34/43,898
  6. Step 6: Final answer
    x = 41,047.65

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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.