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Finding the Fourth Proportional to 29,707.76, 40,995.12 and 16,960.44

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Solution

The fourth proportional to 29,707.76, 40,995.12 and 16,960.44 is: 23,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.76 : 40,995.12 = 16,960.44 : x
  2. Step 2: Convert to fraction form
    29,707.76/40,995.12 = 16,960.44/x
  3. Step 3: Cross multiply
    29,707.76x = 40,995.12 × 16,960.44
  4. Step 4: Simplify right side
    29,707.76x = 695,295,273.05
  5. Step 5: Solve for x
    x = 695,295,273.05/29,707.76
  6. Step 6: Final answer
    x = 23,404.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.