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Finding the Fourth Proportional to 58,392.36, 80,583.06 and 35,730.94

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Solution

The fourth proportional to 58,392.36, 80,583.06 and 35,730.94 is: 49,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.36 : 80,583.06 = 35,730.94 : x
  2. Step 2: Convert to fraction form
    58,392.36/80,583.06 = 35,730.94/x
  3. Step 3: Cross multiply
    58,392.36x = 80,583.06 × 35,730.94
  4. Step 4: Simplify right side
    58,392.36x = 2,879,308,481.88
  5. Step 5: Solve for x
    x = 2,879,308,481.88/58,392.36
  6. Step 6: Final answer
    x = 49,309.68

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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.