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Finding the Fourth Proportional to 58,991.43, 81,408.42 and 32,133.72

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Solution

The fourth proportional to 58,991.43, 81,408.42 and 32,133.72 is: 44,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.43 : 81,408.42 = 32,133.72 : x
  2. Step 2: Convert to fraction form
    58,991.43/81,408.42 = 32,133.72/x
  3. Step 3: Cross multiply
    58,991.43x = 81,408.42 × 32,133.72
  4. Step 4: Simplify right side
    58,991.43x = 2,615,955,373.92
  5. Step 5: Solve for x
    x = 2,615,955,373.92/58,991.43
  6. Step 6: Final answer
    x = 44,344.67

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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.