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Finding the Fourth Proportional to 11,333.40, 17,000.40 and 3,542.40

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Solution

The fourth proportional to 11,333.40, 17,000.40 and 3,542.40 is: 5,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.40 : 17,000.40 = 3,542.40 : x
  2. Step 2: Convert to fraction form
    11,333.40/17,000.40 = 3,542.40/x
  3. Step 3: Cross multiply
    11,333.40x = 17,000.40 × 3,542.40
  4. Step 4: Simplify right side
    11,333.40x = 60,222,216.96
  5. Step 5: Solve for x
    x = 60,222,216.96/11,333.40
  6. Step 6: Final answer
    x = 5,313.69

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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.