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Finding the Fourth Proportional to 58,468.44, 80,686.46 and 31,610.94

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Solution

The fourth proportional to 58,468.44, 80,686.46 and 31,610.94 is: 43,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.44 : 80,686.46 = 31,610.94 : x
  2. Step 2: Convert to fraction form
    58,468.44/80,686.46 = 31,610.94/x
  3. Step 3: Cross multiply
    58,468.44x = 80,686.46 × 31,610.94
  4. Step 4: Simplify right side
    58,468.44x = 2,550,574,845.87
  5. Step 5: Solve for x
    x = 2,550,574,845.87/58,468.44
  6. Step 6: Final answer
    x = 43,623.10

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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.