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Finding the Fourth Proportional to 51,078.88, 76,619.13 and 16,018.84

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Solution

The fourth proportional to 51,078.88, 76,619.13 and 16,018.84 is: 24,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.88 : 76,619.13 = 16,018.84 : x
  2. Step 2: Convert to fraction form
    51,078.88/76,619.13 = 16,018.84/x
  3. Step 3: Cross multiply
    51,078.88x = 76,619.13 × 16,018.84
  4. Step 4: Simplify right side
    51,078.88x = 1,227,349,584.41
  5. Step 5: Solve for x
    x = 1,227,349,584.41/51,078.88
  6. Step 6: Final answer
    x = 24,028.51

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1.5x scale

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.