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Finding the Fourth Proportional to 17,226.39, 25,815.29 and 7,362.21

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Solution

The fourth proportional to 17,226.39, 25,815.29 and 7,362.21 is: 11,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,226.39 : 25,815.29 = 7,362.21 : x
  2. Step 2: Convert to fraction form
    17,226.39/25,815.29 = 7,362.21/x
  3. Step 3: Cross multiply
    17,226.39x = 25,815.29 × 7,362.21
  4. Step 4: Simplify right side
    17,226.39x = 190,057,549.38
  5. Step 5: Solve for x
    x = 190,057,549.38/17,226.39
  6. Step 6: Final answer
    x = 11,032.93

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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.