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Finding the Fourth Proportional to 45,716.70, 68,575.05 and 16,134.30

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Solution

The fourth proportional to 45,716.70, 68,575.05 and 16,134.30 is: 24,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.70 : 68,575.05 = 16,134.30 : x
  2. Step 2: Convert to fraction form
    45,716.70/68,575.05 = 16,134.30/x
  3. Step 3: Cross multiply
    45,716.70x = 68,575.05 × 16,134.30
  4. Step 4: Simplify right side
    45,716.70x = 1,106,410,429.22
  5. Step 5: Solve for x
    x = 1,106,410,429.22/45,716.70
  6. Step 6: Final answer
    x = 24,201.45

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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.