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Finding the Fourth Proportional to 14,765.58, 20,375.82 and 8,050.68

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Solution

The fourth proportional to 14,765.58, 20,375.82 and 8,050.68 is: 11,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.58 : 20,375.82 = 8,050.68 : x
  2. Step 2: Convert to fraction form
    14,765.58/20,375.82 = 8,050.68/x
  3. Step 3: Cross multiply
    14,765.58x = 20,375.82 × 8,050.68
  4. Step 4: Simplify right side
    14,765.58x = 164,039,206.56
  5. Step 5: Solve for x
    x = 164,039,206.56/14,765.58
  6. Step 6: Final answer
    x = 11,109.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.