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Finding the Fourth Proportional to 63,334.35, 87,393.72 and 36,485.55

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Solution

The fourth proportional to 63,334.35, 87,393.72 and 36,485.55 is: 50,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,334.35 : 87,393.72 = 36,485.55 : x
  2. Step 2: Convert to fraction form
    63,334.35/87,393.72 = 36,485.55/x
  3. Step 3: Cross multiply
    63,334.35x = 87,393.72 × 36,485.55
  4. Step 4: Simplify right side
    63,334.35x = 3,188,607,940.75
  5. Step 5: Solve for x
    x = 3,188,607,940.75/63,334.35
  6. Step 6: Final answer
    x = 50,345.63

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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.