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Finding the Fourth Proportional to 63,209.60, 94,749.60 and 36,900.80

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Solution

The fourth proportional to 63,209.60, 94,749.60 and 36,900.80 is: 55,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,209.60 : 94,749.60 = 36,900.80 : x
  2. Step 2: Convert to fraction form
    63,209.60/94,749.60 = 36,900.80/x
  3. Step 3: Cross multiply
    63,209.60x = 94,749.60 × 36,900.80
  4. Step 4: Simplify right side
    63,209.60x = 3,496,336,039.68
  5. Step 5: Solve for x
    x = 3,496,336,039.68/63,209.60
  6. Step 6: Final answer
    x = 55,313.37

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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.