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Finding the Fourth Proportional to 11,433.80, 17,150.70 and 8,841.80

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Solution

The fourth proportional to 11,433.80, 17,150.70 and 8,841.80 is: 13,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.80 : 17,150.70 = 8,841.80 : x
  2. Step 2: Convert to fraction form
    11,433.80/17,150.70 = 8,841.80/x
  3. Step 3: Cross multiply
    11,433.80x = 17,150.70 × 8,841.80
  4. Step 4: Simplify right side
    11,433.80x = 151,643,059.26
  5. Step 5: Solve for x
    x = 151,643,059.26/11,433.80
  6. Step 6: Final answer
    x = 13,262.70

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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.