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Finding the Fourth Proportional to 59,408.35, 81,982.46 and 35,225.60

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Solution

The fourth proportional to 59,408.35, 81,982.46 and 35,225.60 is: 48,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,408.35 : 81,982.46 = 35,225.60 : x
  2. Step 2: Convert to fraction form
    59,408.35/81,982.46 = 35,225.60/x
  3. Step 3: Cross multiply
    59,408.35x = 81,982.46 × 35,225.60
  4. Step 4: Simplify right side
    59,408.35x = 2,887,881,021.13
  5. Step 5: Solve for x
    x = 2,887,881,021.13/59,408.35
  6. Step 6: Final answer
    x = 48,610.69

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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.