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Finding the Fourth Proportional to 17,615.40, 26,427.06 and 5,928.28

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Solution

The fourth proportional to 17,615.40, 26,427.06 and 5,928.28 is: 8,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.40 : 26,427.06 = 5,928.28 : x
  2. Step 2: Convert to fraction form
    17,615.40/26,427.06 = 5,928.28/x
  3. Step 3: Cross multiply
    17,615.40x = 26,427.06 × 5,928.28
  4. Step 4: Simplify right side
    17,615.40x = 156,667,011.26
  5. Step 5: Solve for x
    x = 156,667,011.26/17,615.40
  6. Step 6: Final answer
    x = 8,893.75

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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.