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Finding the Fourth Proportional to 54,712.99, 82,073.51 and 19,652.95

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Solution

The fourth proportional to 54,712.99, 82,073.51 and 19,652.95 is: 29,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.99 : 82,073.51 = 19,652.95 : x
  2. Step 2: Convert to fraction form
    54,712.99/82,073.51 = 19,652.95/x
  3. Step 3: Cross multiply
    54,712.99x = 82,073.51 × 19,652.95
  4. Step 4: Simplify right side
    54,712.99x = 1,612,986,588.35
  5. Step 5: Solve for x
    x = 1,612,986,588.35/54,712.99
  6. Step 6: Final answer
    x = 29,480.87

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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.