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Finding the Fourth Proportional to 58,911.25, 81,296.89 and 35,037.40

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Solution

The fourth proportional to 58,911.25, 81,296.89 and 35,037.40 is: 48,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,911.25 : 81,296.89 = 35,037.40 : x
  2. Step 2: Convert to fraction form
    58,911.25/81,296.89 = 35,037.40/x
  3. Step 3: Cross multiply
    58,911.25x = 81,296.89 × 35,037.40
  4. Step 4: Simplify right side
    58,911.25x = 2,848,431,653.69
  5. Step 5: Solve for x
    x = 2,848,431,653.69/58,911.25
  6. Step 6: Final answer
    x = 48,351.23

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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.