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Finding the Fourth Proportional to 19,433.42, 29,147.03 and 6,951.11

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Solution

The fourth proportional to 19,433.42, 29,147.03 and 6,951.11 is: 10,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.42 : 29,147.03 = 6,951.11 : x
  2. Step 2: Convert to fraction form
    19,433.42/29,147.03 = 6,951.11/x
  3. Step 3: Cross multiply
    19,433.42x = 29,147.03 × 6,951.11
  4. Step 4: Simplify right side
    19,433.42x = 202,604,249.82
  5. Step 5: Solve for x
    x = 202,604,249.82/19,433.42
  6. Step 6: Final answer
    x = 10,425.56

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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.