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Finding the Fourth Proportional to 8,872.56, 12,254.58 and 5,883.21

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Solution

The fourth proportional to 8,872.56, 12,254.58 and 5,883.21 is: 8,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.56 : 12,254.58 = 5,883.21 : x
  2. Step 2: Convert to fraction form
    8,872.56/12,254.58 = 5,883.21/x
  3. Step 3: Cross multiply
    8,872.56x = 12,254.58 × 5,883.21
  4. Step 4: Simplify right side
    8,872.56x = 72,096,267.60
  5. Step 5: Solve for x
    x = 72,096,267.60/8,872.56
  6. Step 6: Final answer
    x = 8,125.76

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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.