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Finding the Fourth Proportional to 17,248.05, 25,872.03 and 7,380.90

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Solution

The fourth proportional to 17,248.05, 25,872.03 and 7,380.90 is: 11,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,248.05 : 25,872.03 = 7,380.90 : x
  2. Step 2: Convert to fraction form
    17,248.05/25,872.03 = 7,380.90/x
  3. Step 3: Cross multiply
    17,248.05x = 25,872.03 × 7,380.90
  4. Step 4: Simplify right side
    17,248.05x = 190,958,866.23
  5. Step 5: Solve for x
    x = 190,958,866.23/17,248.05
  6. Step 6: Final answer
    x = 11,071.33

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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.