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Finding the Fourth Proportional to 17,615.28, 26,418.60 and 5,928.24

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Solution

The fourth proportional to 17,615.28, 26,418.60 and 5,928.24 is: 8,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.28 : 26,418.60 = 5,928.24 : x
  2. Step 2: Convert to fraction form
    17,615.28/26,418.60 = 5,928.24/x
  3. Step 3: Cross multiply
    17,615.28x = 26,418.60 × 5,928.24
  4. Step 4: Simplify right side
    17,615.28x = 156,615,801.26
  5. Step 5: Solve for x
    x = 156,615,801.26/17,615.28
  6. Step 6: Final answer
    x = 8,890.91

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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.