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Finding the Fourth Proportional to 75,010.73, 112,540.74 and 30,674.78

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Solution

The fourth proportional to 75,010.73, 112,540.74 and 30,674.78 is: 46,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.73 : 112,540.74 = 30,674.78 : x
  2. Step 2: Convert to fraction form
    75,010.73/112,540.74 = 30,674.78/x
  3. Step 3: Cross multiply
    75,010.73x = 112,540.74 × 30,674.78
  4. Step 4: Simplify right side
    75,010.73x = 3,452,161,762.80
  5. Step 5: Solve for x
    x = 3,452,161,762.80/75,010.73
  6. Step 6: Final answer
    x = 46,022.24

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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.