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Finding the Fourth Proportional to 52,524.87, 78,671.55 and 43,415.55

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Solution

The fourth proportional to 52,524.87, 78,671.55 and 43,415.55 is: 65,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,524.87 : 78,671.55 = 43,415.55 : x
  2. Step 2: Convert to fraction form
    52,524.87/78,671.55 = 43,415.55/x
  3. Step 3: Cross multiply
    52,524.87x = 78,671.55 × 43,415.55
  4. Step 4: Simplify right side
    52,524.87x = 3,415,568,612.60
  5. Step 5: Solve for x
    x = 3,415,568,612.60/52,524.87
  6. Step 6: Final answer
    x = 65,027.65

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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.