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Finding the Fourth Proportional to 34,964.32, 48,249.20 and 19,048.90

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Solution

The fourth proportional to 34,964.32, 48,249.20 and 19,048.90 is: 26,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,964.32 : 48,249.20 = 19,048.90 : x
  2. Step 2: Convert to fraction form
    34,964.32/48,249.20 = 19,048.90/x
  3. Step 3: Cross multiply
    34,964.32x = 48,249.20 × 19,048.90
  4. Step 4: Simplify right side
    34,964.32x = 919,094,185.88
  5. Step 5: Solve for x
    x = 919,094,185.88/34,964.32
  6. Step 6: Final answer
    x = 26,286.63

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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.