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Finding the Fourth Proportional to 11,294.80, 16,941.34 and 3,503.40

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Solution

The fourth proportional to 11,294.80, 16,941.34 and 3,503.40 is: 5,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.80 : 16,941.34 = 3,503.40 : x
  2. Step 2: Convert to fraction form
    11,294.80/16,941.34 = 3,503.40/x
  3. Step 3: Cross multiply
    11,294.80x = 16,941.34 × 3,503.40
  4. Step 4: Simplify right side
    11,294.80x = 59,352,290.56
  5. Step 5: Solve for x
    x = 59,352,290.56/11,294.80
  6. Step 6: Final answer
    x = 5,254.83

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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.