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Finding the Fourth Proportional to 42,910.70, 59,203.01 and 25,919.99

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Solution

The fourth proportional to 42,910.70, 59,203.01 and 25,919.99 is: 35,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,910.70 : 59,203.01 = 25,919.99 : x
  2. Step 2: Convert to fraction form
    42,910.70/59,203.01 = 25,919.99/x
  3. Step 3: Cross multiply
    42,910.70x = 59,203.01 × 25,919.99
  4. Step 4: Simplify right side
    42,910.70x = 1,534,541,427.17
  5. Step 5: Solve for x
    x = 1,534,541,427.17/42,910.70
  6. Step 6: Final answer
    x = 35,761.28

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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.