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Finding the Fourth Proportional to 8,499.09, 12,750.48 and 2,575.50

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Solution

The fourth proportional to 8,499.09, 12,750.48 and 2,575.50 is: 3,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.09 : 12,750.48 = 2,575.50 : x
  2. Step 2: Convert to fraction form
    8,499.09/12,750.48 = 2,575.50/x
  3. Step 3: Cross multiply
    8,499.09x = 12,750.48 × 2,575.50
  4. Step 4: Simplify right side
    8,499.09x = 32,838,861.24
  5. Step 5: Solve for x
    x = 32,838,861.24/8,499.09
  6. Step 6: Final answer
    x = 3,863.81

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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.