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Finding the Fourth Proportional to 58,466.93, 80,684.37 and 31,609.43

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Solution

The fourth proportional to 58,466.93, 80,684.37 and 31,609.43 is: 43,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,466.93 : 80,684.37 = 31,609.43 : x
  2. Step 2: Convert to fraction form
    58,466.93/80,684.37 = 31,609.43/x
  3. Step 3: Cross multiply
    58,466.93x = 80,684.37 × 31,609.43
  4. Step 4: Simplify right side
    58,466.93x = 2,550,387,206.59
  5. Step 5: Solve for x
    x = 2,550,387,206.59/58,466.93
  6. Step 6: Final answer
    x = 43,621.02

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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.