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Finding the Fourth Proportional to 8,308.56, 12,462.84 and 2,152.56

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Solution

The fourth proportional to 8,308.56, 12,462.84 and 2,152.56 is: 3,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.56 : 12,462.84 = 2,152.56 : x
  2. Step 2: Convert to fraction form
    8,308.56/12,462.84 = 2,152.56/x
  3. Step 3: Cross multiply
    8,308.56x = 12,462.84 × 2,152.56
  4. Step 4: Simplify right side
    8,308.56x = 26,827,010.87
  5. Step 5: Solve for x
    x = 26,827,010.87/8,308.56
  6. Step 6: Final answer
    x = 3,228.84

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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.