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Finding the Fourth Proportional to 2,423.12, 3,635.16 and 884.24

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Solution

The fourth proportional to 2,423.12, 3,635.16 and 884.24 is: 1,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.12 : 3,635.16 = 884.24 : x
  2. Step 2: Convert to fraction form
    2,423.12/3,635.16 = 884.24/x
  3. Step 3: Cross multiply
    2,423.12x = 3,635.16 × 884.24
  4. Step 4: Simplify right side
    2,423.12x = 3,214,353.88
  5. Step 5: Solve for x
    x = 3,214,353.88/2,423.12
  6. Step 6: Final answer
    x = 1,326.54

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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.