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Finding the Fourth Proportional to 58,972.81, 81,385.89 and 44,410.92

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Solution

The fourth proportional to 58,972.81, 81,385.89 and 44,410.92 is: 61,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,972.81 : 81,385.89 = 44,410.92 : x
  2. Step 2: Convert to fraction form
    58,972.81/81,385.89 = 44,410.92/x
  3. Step 3: Cross multiply
    58,972.81x = 81,385.89 × 44,410.92
  4. Step 4: Simplify right side
    58,972.81x = 3,614,422,485.79
  5. Step 5: Solve for x
    x = 3,614,422,485.79/58,972.81
  6. Step 6: Final answer
    x = 61,289.64

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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.