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Finding the Fourth Proportional to 5,885.12, 8,826.12 and 1,725.44

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Solution

The fourth proportional to 5,885.12, 8,826.12 and 1,725.44 is: 2,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.12 : 8,826.12 = 1,725.44 : x
  2. Step 2: Convert to fraction form
    5,885.12/8,826.12 = 1,725.44/x
  3. Step 3: Cross multiply
    5,885.12x = 8,826.12 × 1,725.44
  4. Step 4: Simplify right side
    5,885.12x = 15,228,940.49
  5. Step 5: Solve for x
    x = 15,228,940.49/5,885.12
  6. Step 6: Final answer
    x = 2,587.70

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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.