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Finding the Fourth Proportional to 63,786.88, 88,029.35 and 35,493.18

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Solution

The fourth proportional to 63,786.88, 88,029.35 and 35,493.18 is: 48,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,786.88 : 88,029.35 = 35,493.18 : x
  2. Step 2: Convert to fraction form
    63,786.88/88,029.35 = 35,493.18/x
  3. Step 3: Cross multiply
    63,786.88x = 88,029.35 × 35,493.18
  4. Step 4: Simplify right side
    63,786.88x = 3,124,441,564.83
  5. Step 5: Solve for x
    x = 3,124,441,564.83/63,786.88
  6. Step 6: Final answer
    x = 48,982.51

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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.