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Finding the Fourth Proportional to 10,928.76, 16,402.92 and 5,667.54

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Solution

The fourth proportional to 10,928.76, 16,402.92 and 5,667.54 is: 8,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.76 : 16,402.92 = 5,667.54 : x
  2. Step 2: Convert to fraction form
    10,928.76/16,402.92 = 5,667.54/x
  3. Step 3: Cross multiply
    10,928.76x = 16,402.92 × 5,667.54
  4. Step 4: Simplify right side
    10,928.76x = 92,964,205.22
  5. Step 5: Solve for x
    x = 92,964,205.22/10,928.76
  6. Step 6: Final answer
    x = 8,506.38

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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.