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Finding the Fourth Proportional to 58,973.37, 81,380.78 and 32,115.79

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Solution

The fourth proportional to 58,973.37, 81,380.78 and 32,115.79 is: 44,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,973.37 : 81,380.78 = 32,115.79 : x
  2. Step 2: Convert to fraction form
    58,973.37/81,380.78 = 32,115.79/x
  3. Step 3: Cross multiply
    58,973.37x = 81,380.78 × 32,115.79
  4. Step 4: Simplify right side
    58,973.37x = 2,613,608,011.77
  5. Step 5: Solve for x
    x = 2,613,608,011.77/58,973.37
  6. Step 6: Final answer
    x = 44,318.45

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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.