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Finding the Fourth Proportional to 17,221.14, 25,807.41 and 7,356.96

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Solution

The fourth proportional to 17,221.14, 25,807.41 and 7,356.96 is: 11,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.14 : 25,807.41 = 7,356.96 : x
  2. Step 2: Convert to fraction form
    17,221.14/25,807.41 = 7,356.96/x
  3. Step 3: Cross multiply
    17,221.14x = 25,807.41 × 7,356.96
  4. Step 4: Simplify right side
    17,221.14x = 189,864,083.07
  5. Step 5: Solve for x
    x = 189,864,083.07/17,221.14
  6. Step 6: Final answer
    x = 11,025.06

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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.