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Finding the Fourth Proportional to 75,797.62, 104,610.39 and 63,028.83

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Solution

The fourth proportional to 75,797.62, 104,610.39 and 63,028.83 is: 86,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,797.62 : 104,610.39 = 63,028.83 : x
  2. Step 2: Convert to fraction form
    75,797.62/104,610.39 = 63,028.83/x
  3. Step 3: Cross multiply
    75,797.62x = 104,610.39 × 63,028.83
  4. Step 4: Simplify right side
    75,797.62x = 6,593,470,643.47
  5. Step 5: Solve for x
    x = 6,593,470,643.47/75,797.62
  6. Step 6: Final answer
    x = 86,987.83

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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.