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Finding the Fourth Proportional to 75,458.25, 104,132.79 and 41,924.25

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Solution

The fourth proportional to 75,458.25, 104,132.79 and 41,924.25 is: 57,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.25 : 104,132.79 = 41,924.25 : x
  2. Step 2: Convert to fraction form
    75,458.25/104,132.79 = 41,924.25/x
  3. Step 3: Cross multiply
    75,458.25x = 104,132.79 × 41,924.25
  4. Step 4: Simplify right side
    75,458.25x = 4,365,689,121.16
  5. Step 5: Solve for x
    x = 4,365,689,121.16/75,458.25
  6. Step 6: Final answer
    x = 57,855.69

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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.