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Finding the Fourth Proportional to 17,626.56, 26,438.88 and 7,237.92

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Solution

The fourth proportional to 17,626.56, 26,438.88 and 7,237.92 is: 10,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.56 : 26,438.88 = 7,237.92 : x
  2. Step 2: Convert to fraction form
    17,626.56/26,438.88 = 7,237.92/x
  3. Step 3: Cross multiply
    17,626.56x = 26,438.88 × 7,237.92
  4. Step 4: Simplify right side
    17,626.56x = 191,362,498.33
  5. Step 5: Solve for x
    x = 191,362,498.33/17,626.56
  6. Step 6: Final answer
    x = 10,856.49

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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.