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Finding the Fourth Proportional to 17,442.44, 26,115.72 and 12,182.72

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Solution

The fourth proportional to 17,442.44, 26,115.72 and 12,182.72 is: 18,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.44 : 26,115.72 = 12,182.72 : x
  2. Step 2: Convert to fraction form
    17,442.44/26,115.72 = 12,182.72/x
  3. Step 3: Cross multiply
    17,442.44x = 26,115.72 × 12,182.72
  4. Step 4: Simplify right side
    17,442.44x = 318,160,504.36
  5. Step 5: Solve for x
    x = 318,160,504.36/17,442.44
  6. Step 6: Final answer
    x = 18,240.60

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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.