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Finding the Fourth Proportional to 27,442.40, 41,059.60 and 18,226.40

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Solution

The fourth proportional to 27,442.40, 41,059.60 and 18,226.40 is: 27,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.40 : 41,059.60 = 18,226.40 : x
  2. Step 2: Convert to fraction form
    27,442.40/41,059.60 = 18,226.40/x
  3. Step 3: Cross multiply
    27,442.40x = 41,059.60 × 18,226.40
  4. Step 4: Simplify right side
    27,442.40x = 748,368,693.44
  5. Step 5: Solve for x
    x = 748,368,693.44/27,442.40
  6. Step 6: Final answer
    x = 27,270.53

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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.