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Finding the Fourth Proportional to 11,755.52, 17,621.34 and 7,376.03

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Solution

The fourth proportional to 11,755.52, 17,621.34 and 7,376.03 is: 11,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.52 : 17,621.34 = 7,376.03 : x
  2. Step 2: Convert to fraction form
    11,755.52/17,621.34 = 7,376.03/x
  3. Step 3: Cross multiply
    11,755.52x = 17,621.34 × 7,376.03
  4. Step 4: Simplify right side
    11,755.52x = 129,975,532.48
  5. Step 5: Solve for x
    x = 129,975,532.48/11,755.52
  6. Step 6: Final answer
    x = 11,056.55

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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.