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Finding the Fourth Proportional to 74,694.76, 112,053.79 and 30,324.63

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Solution

The fourth proportional to 74,694.76, 112,053.79 and 30,324.63 is: 45,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694.76 : 112,053.79 = 30,324.63 : x
  2. Step 2: Convert to fraction form
    74,694.76/112,053.79 = 30,324.63/x
  3. Step 3: Cross multiply
    74,694.76x = 112,053.79 × 30,324.63
  4. Step 4: Simplify right side
    74,694.76x = 3,397,990,301.39
  5. Step 5: Solve for x
    x = 3,397,990,301.39/74,694.76
  6. Step 6: Final answer
    x = 45,491.68

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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.