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Finding the Fourth Proportional to 17,830.40, 26,745.60 and 16,217.60

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Solution

The fourth proportional to 17,830.40, 26,745.60 and 16,217.60 is: 24,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,830.40 : 26,745.60 = 16,217.60 : x
  2. Step 2: Convert to fraction form
    17,830.40/26,745.60 = 16,217.60/x
  3. Step 3: Cross multiply
    17,830.40x = 26,745.60 × 16,217.60
  4. Step 4: Simplify right side
    17,830.40x = 433,749,442.56
  5. Step 5: Solve for x
    x = 433,749,442.56/17,830.40
  6. Step 6: Final answer
    x = 24,326.40

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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.