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Finding the Fourth Proportional to 5,928.67, 8,902.25 and 5,665.76

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Solution

The fourth proportional to 5,928.67, 8,902.25 and 5,665.76 is: 8,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.67 : 8,902.25 = 5,665.76 : x
  2. Step 2: Convert to fraction form
    5,928.67/8,902.25 = 5,665.76/x
  3. Step 3: Cross multiply
    5,928.67x = 8,902.25 × 5,665.76
  4. Step 4: Simplify right side
    5,928.67x = 50,438,011.96
  5. Step 5: Solve for x
    x = 50,438,011.96/5,928.67
  6. Step 6: Final answer
    x = 8,507.48

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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.