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Finding the Fourth Proportional to 30,662.88, 45,979.92 and 10,933.44

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Solution

The fourth proportional to 30,662.88, 45,979.92 and 10,933.44 is: 16,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.88 : 45,979.92 = 10,933.44 : x
  2. Step 2: Convert to fraction form
    30,662.88/45,979.92 = 10,933.44/x
  3. Step 3: Cross multiply
    30,662.88x = 45,979.92 × 10,933.44
  4. Step 4: Simplify right side
    30,662.88x = 502,718,696.52
  5. Step 5: Solve for x
    x = 502,718,696.52/30,662.88
  6. Step 6: Final answer
    x = 16,395.03

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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.