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Finding the Fourth Proportional to 11,695.41, 17,543.12 and 4,299.71

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Solution

The fourth proportional to 11,695.41, 17,543.12 and 4,299.71 is: 6,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.41 : 17,543.12 = 4,299.71 : x
  2. Step 2: Convert to fraction form
    11,695.41/17,543.12 = 4,299.71/x
  3. Step 3: Cross multiply
    11,695.41x = 17,543.12 × 4,299.71
  4. Step 4: Simplify right side
    11,695.41x = 75,430,219.28
  5. Step 5: Solve for x
    x = 75,430,219.28/11,695.41
  6. Step 6: Final answer
    x = 6,449.56

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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.