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Finding the Fourth Proportional to 58,467.44, 80,685.08 and 31,609.94

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Solution

The fourth proportional to 58,467.44, 80,685.08 and 31,609.94 is: 43,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,467.44 : 80,685.08 = 31,609.94 : x
  2. Step 2: Convert to fraction form
    58,467.44/80,685.08 = 31,609.94/x
  3. Step 3: Cross multiply
    58,467.44x = 80,685.08 × 31,609.94
  4. Step 4: Simplify right side
    58,467.44x = 2,550,449,976.22
  5. Step 5: Solve for x
    x = 2,550,449,976.22/58,467.44
  6. Step 6: Final answer
    x = 43,621.72

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1.5x scale

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.