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Finding the Fourth Proportional to 5,881.12, 8,808.24 and 3,822.88

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Solution

The fourth proportional to 5,881.12, 8,808.24 and 3,822.88 is: 5,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.12 : 8,808.24 = 3,822.88 : x
  2. Step 2: Convert to fraction form
    5,881.12/8,808.24 = 3,822.88/x
  3. Step 3: Cross multiply
    5,881.12x = 8,808.24 × 3,822.88
  4. Step 4: Simplify right side
    5,881.12x = 33,672,844.53
  5. Step 5: Solve for x
    x = 33,672,844.53/5,881.12
  6. Step 6: Final answer
    x = 5,725.58

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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.