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Finding the Fourth Proportional to 8,656.44, 11,945.18 and 4,880.54

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Solution

The fourth proportional to 8,656.44, 11,945.18 and 4,880.54 is: 6,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.44 : 11,945.18 = 4,880.54 : x
  2. Step 2: Convert to fraction form
    8,656.44/11,945.18 = 4,880.54/x
  3. Step 3: Cross multiply
    8,656.44x = 11,945.18 × 4,880.54
  4. Step 4: Simplify right side
    8,656.44x = 58,298,884.53
  5. Step 5: Solve for x
    x = 58,298,884.53/8,656.44
  6. Step 6: Final answer
    x = 6,734.74

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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.