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Finding the Fourth Proportional to 17,907.20, 26,866.17 and 7,228.06

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Solution

The fourth proportional to 17,907.20, 26,866.17 and 7,228.06 is: 10,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.20 : 26,866.17 = 7,228.06 : x
  2. Step 2: Convert to fraction form
    17,907.20/26,866.17 = 7,228.06/x
  3. Step 3: Cross multiply
    17,907.20x = 26,866.17 × 7,228.06
  4. Step 4: Simplify right side
    17,907.20x = 194,190,446.04
  5. Step 5: Solve for x
    x = 194,190,446.04/17,907.20
  6. Step 6: Final answer
    x = 10,844.26

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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.