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Finding the Fourth Proportional to 74,993.25, 112,545.14 and 35,550.21

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Solution

The fourth proportional to 74,993.25, 112,545.14 and 35,550.21 is: 53,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.25 : 112,545.14 = 35,550.21 : x
  2. Step 2: Convert to fraction form
    74,993.25/112,545.14 = 35,550.21/x
  3. Step 3: Cross multiply
    74,993.25x = 112,545.14 × 35,550.21
  4. Step 4: Simplify right side
    74,993.25x = 4,001,003,361.48
  5. Step 5: Solve for x
    x = 4,001,003,361.48/74,993.25
  6. Step 6: Final answer
    x = 53,351.51

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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.