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Finding the Fourth Proportional to 30,272.58, 41,769.90 and 17,694.90

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Solution

The fourth proportional to 30,272.58, 41,769.90 and 17,694.90 is: 24,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.58 : 41,769.90 = 17,694.90 : x
  2. Step 2: Convert to fraction form
    30,272.58/41,769.90 = 17,694.90/x
  3. Step 3: Cross multiply
    30,272.58x = 41,769.90 × 17,694.90
  4. Step 4: Simplify right side
    30,272.58x = 739,114,203.51
  5. Step 5: Solve for x
    x = 739,114,203.51/30,272.58
  6. Step 6: Final answer
    x = 24,415.30

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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.