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Finding the Fourth Proportional to 20,026.51, 30,029.74 and 6,694.92

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Solution

The fourth proportional to 20,026.51, 30,029.74 and 6,694.92 is: 10,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.51 : 30,029.74 = 6,694.92 : x
  2. Step 2: Convert to fraction form
    20,026.51/30,029.74 = 6,694.92/x
  3. Step 3: Cross multiply
    20,026.51x = 30,029.74 × 6,694.92
  4. Step 4: Simplify right side
    20,026.51x = 201,046,690.18
  5. Step 5: Solve for x
    x = 201,046,690.18/20,026.51
  6. Step 6: Final answer
    x = 10,039.03

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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.