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Finding the Fourth Proportional to 54,045.84, 80,525.17 and 51,027.78

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Solution

The fourth proportional to 54,045.84, 80,525.17 and 51,027.78 is: 76,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,045.84 : 80,525.17 = 51,027.78 : x
  2. Step 2: Convert to fraction form
    54,045.84/80,525.17 = 51,027.78/x
  3. Step 3: Cross multiply
    54,045.84x = 80,525.17 × 51,027.78
  4. Step 4: Simplify right side
    54,045.84x = 4,109,020,659.22
  5. Step 5: Solve for x
    x = 4,109,020,659.22/54,045.84
  6. Step 6: Final answer
    x = 76,028.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.