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Finding the Fourth Proportional to 11,472.53, 17,205.14 and 7,798.37

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Solution

The fourth proportional to 11,472.53, 17,205.14 and 7,798.37 is: 11,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.53 : 17,205.14 = 7,798.37 : x
  2. Step 2: Convert to fraction form
    11,472.53/17,205.14 = 7,798.37/x
  3. Step 3: Cross multiply
    11,472.53x = 17,205.14 × 7,798.37
  4. Step 4: Simplify right side
    11,472.53x = 134,171,922.60
  5. Step 5: Solve for x
    x = 134,171,922.60/11,472.53
  6. Step 6: Final answer
    x = 11,695.06

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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.