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Finding the Fourth Proportional to 58,983.80, 81,399.53 and 32,127.44

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Solution

The fourth proportional to 58,983.80, 81,399.53 and 32,127.44 is: 44,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,983.80 : 81,399.53 = 32,127.44 : x
  2. Step 2: Convert to fraction form
    58,983.80/81,399.53 = 32,127.44/x
  3. Step 3: Cross multiply
    58,983.80x = 81,399.53 × 32,127.44
  4. Step 4: Simplify right side
    58,983.80x = 2,615,158,189.42
  5. Step 5: Solve for x
    x = 2,615,158,189.42/58,983.80
  6. Step 6: Final answer
    x = 44,336.89

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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.