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Finding the Fourth Proportional to 11,695.72, 17,543.01 and 4,299.61

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Solution

The fourth proportional to 11,695.72, 17,543.01 and 4,299.61 is: 6,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.72 : 17,543.01 = 4,299.61 : x
  2. Step 2: Convert to fraction form
    11,695.72/17,543.01 = 4,299.61/x
  3. Step 3: Cross multiply
    11,695.72x = 17,543.01 × 4,299.61
  4. Step 4: Simplify right side
    11,695.72x = 75,428,101.23
  5. Step 5: Solve for x
    x = 75,428,101.23/11,695.72
  6. Step 6: Final answer
    x = 6,449.21

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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.