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Finding the Fourth Proportional to 8,773.92, 12,106.08 and 5,236.56

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Solution

The fourth proportional to 8,773.92, 12,106.08 and 5,236.56 is: 7,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.92 : 12,106.08 = 5,236.56 : x
  2. Step 2: Convert to fraction form
    8,773.92/12,106.08 = 5,236.56/x
  3. Step 3: Cross multiply
    8,773.92x = 12,106.08 × 5,236.56
  4. Step 4: Simplify right side
    8,773.92x = 63,394,214.28
  5. Step 5: Solve for x
    x = 63,394,214.28/8,773.92
  6. Step 6: Final answer
    x = 7,225.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.