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Finding the Fourth Proportional to 11,761.74, 17,635.50 and 5,523.12

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Solution

The fourth proportional to 11,761.74, 17,635.50 and 5,523.12 is: 8,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.74 : 17,635.50 = 5,523.12 : x
  2. Step 2: Convert to fraction form
    11,761.74/17,635.50 = 5,523.12/x
  3. Step 3: Cross multiply
    11,761.74x = 17,635.50 × 5,523.12
  4. Step 4: Simplify right side
    11,761.74x = 97,402,982.76
  5. Step 5: Solve for x
    x = 97,402,982.76/11,761.74
  6. Step 6: Final answer
    x = 8,281.34

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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.