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Finding the Fourth Proportional to 58,986.63, 81,398.75 and 32,129.01

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Solution

The fourth proportional to 58,986.63, 81,398.75 and 32,129.01 is: 44,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,986.63 : 81,398.75 = 32,129.01 : x
  2. Step 2: Convert to fraction form
    58,986.63/81,398.75 = 32,129.01/x
  3. Step 3: Cross multiply
    58,986.63x = 81,398.75 × 32,129.01
  4. Step 4: Simplify right side
    58,986.63x = 2,615,261,092.09
  5. Step 5: Solve for x
    x = 2,615,261,092.09/58,986.63
  6. Step 6: Final answer
    x = 44,336.51

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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.