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Finding the Fourth Proportional to 5,928.80, 8,902.44 and 5,665.88

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Solution

The fourth proportional to 5,928.80, 8,902.44 and 5,665.88 is: 8,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.80 : 8,902.44 = 5,665.88 : x
  2. Step 2: Convert to fraction form
    5,928.80/8,902.44 = 5,665.88/x
  3. Step 3: Cross multiply
    5,928.80x = 8,902.44 × 5,665.88
  4. Step 4: Simplify right side
    5,928.80x = 50,440,179.00
  5. Step 5: Solve for x
    x = 50,440,179.00/5,928.80
  6. Step 6: Final answer
    x = 8,507.66

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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.