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Finding the Fourth Proportional to 7,472.01, 11,213.76 and 2,795.49

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Solution

The fourth proportional to 7,472.01, 11,213.76 and 2,795.49 is: 4,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.01 : 11,213.76 = 2,795.49 : x
  2. Step 2: Convert to fraction form
    7,472.01/11,213.76 = 2,795.49/x
  3. Step 3: Cross multiply
    7,472.01x = 11,213.76 × 2,795.49
  4. Step 4: Simplify right side
    7,472.01x = 31,347,953.94
  5. Step 5: Solve for x
    x = 31,347,953.94/7,472.01
  6. Step 6: Final answer
    x = 4,195.38

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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.