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Finding the Fourth Proportional to 54,314.54, 81,471.87 and 14,871.99

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Solution

The fourth proportional to 54,314.54, 81,471.87 and 14,871.99 is: 22,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.54 : 81,471.87 = 14,871.99 : x
  2. Step 2: Convert to fraction form
    54,314.54/81,471.87 = 14,871.99/x
  3. Step 3: Cross multiply
    54,314.54x = 81,471.87 × 14,871.99
  4. Step 4: Simplify right side
    54,314.54x = 1,211,648,835.92
  5. Step 5: Solve for x
    x = 1,211,648,835.92/54,314.54
  6. Step 6: Final answer
    x = 22,308.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.