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Finding the Fourth Proportional to 11,795.80, 17,693.70 and 8,053.60

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Solution

The fourth proportional to 11,795.80, 17,693.70 and 8,053.60 is: 12,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.80 : 17,693.70 = 8,053.60 : x
  2. Step 2: Convert to fraction form
    11,795.80/17,693.70 = 8,053.60/x
  3. Step 3: Cross multiply
    11,795.80x = 17,693.70 × 8,053.60
  4. Step 4: Simplify right side
    11,795.80x = 142,497,982.32
  5. Step 5: Solve for x
    x = 142,497,982.32/11,795.80
  6. Step 6: Final answer
    x = 12,080.40

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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.