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Finding the Fourth Proportional to 63,634.80, 87,825.60 and 45,788.88

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Solution

The fourth proportional to 63,634.80, 87,825.60 and 45,788.88 is: 63,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.80 : 87,825.60 = 45,788.88 : x
  2. Step 2: Convert to fraction form
    63,634.80/87,825.60 = 45,788.88/x
  3. Step 3: Cross multiply
    63,634.80x = 87,825.60 × 45,788.88
  4. Step 4: Simplify right side
    63,634.80x = 4,021,435,859.33
  5. Step 5: Solve for x
    x = 4,021,435,859.33/63,634.80
  6. Step 6: Final answer
    x = 63,195.54

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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.