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Finding the Fourth Proportional to 7,294.56, 10,942.49 and 3,133.63

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Solution

The fourth proportional to 7,294.56, 10,942.49 and 3,133.63 is: 4,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.56 : 10,942.49 = 3,133.63 : x
  2. Step 2: Convert to fraction form
    7,294.56/10,942.49 = 3,133.63/x
  3. Step 3: Cross multiply
    7,294.56x = 10,942.49 × 3,133.63
  4. Step 4: Simplify right side
    7,294.56x = 34,289,714.94
  5. Step 5: Solve for x
    x = 34,289,714.94/7,294.56
  6. Step 6: Final answer
    x = 4,700.72

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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.