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Finding the Fourth Proportional to 8,155.55, 11,256.87 and 4,799.44

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Solution

The fourth proportional to 8,155.55, 11,256.87 and 4,799.44 is: 6,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.55 : 11,256.87 = 4,799.44 : x
  2. Step 2: Convert to fraction form
    8,155.55/11,256.87 = 4,799.44/x
  3. Step 3: Cross multiply
    8,155.55x = 11,256.87 × 4,799.44
  4. Step 4: Simplify right side
    8,155.55x = 54,026,672.15
  5. Step 5: Solve for x
    x = 54,026,672.15/8,155.55
  6. Step 6: Final answer
    x = 6,624.53

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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.