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Finding the Fourth Proportional to 47,504.56, 71,254.72 and 12,443.44

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Solution

The fourth proportional to 47,504.56, 71,254.72 and 12,443.44 is: 18,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,504.56 : 71,254.72 = 12,443.44 : x
  2. Step 2: Convert to fraction form
    47,504.56/71,254.72 = 12,443.44/x
  3. Step 3: Cross multiply
    47,504.56x = 71,254.72 × 12,443.44
  4. Step 4: Simplify right side
    47,504.56x = 886,653,833.04
  5. Step 5: Solve for x
    x = 886,653,833.04/47,504.56
  6. Step 6: Final answer
    x = 18,664.60

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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.