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Finding the Fourth Proportional to 5,775.98, 8,667.28 and 5,729

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Solution

The fourth proportional to 5,775.98, 8,667.28 and 5,729 is: 8,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.98 : 8,667.28 = 5,729 : x
  2. Step 2: Convert to fraction form
    5,775.98/8,667.28 = 5,729/x
  3. Step 3: Cross multiply
    5,775.98x = 8,667.28 × 5,729
  4. Step 4: Simplify right side
    5,775.98x = 49,654,847.12
  5. Step 5: Solve for x
    x = 49,654,847.12/5,775.98
  6. Step 6: Final answer
    x = 8,596.78

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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.