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Finding the Fourth Proportional to 74,694.84, 112,059.54 and 33,145.08

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Solution

The fourth proportional to 74,694.84, 112,059.54 and 33,145.08 is: 49,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694.84 : 112,059.54 = 33,145.08 : x
  2. Step 2: Convert to fraction form
    74,694.84/112,059.54 = 33,145.08/x
  3. Step 3: Cross multiply
    74,694.84x = 112,059.54 × 33,145.08
  4. Step 4: Simplify right side
    74,694.84x = 3,714,222,418.06
  5. Step 5: Solve for x
    x = 3,714,222,418.06/74,694.84
  6. Step 6: Final answer
    x = 49,725.29

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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.