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Finding the Fourth Proportional to 29,366.56, 40,523.10 and 16,620.91

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Solution

The fourth proportional to 29,366.56, 40,523.10 and 16,620.91 is: 22,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,366.56 : 40,523.10 = 16,620.91 : x
  2. Step 2: Convert to fraction form
    29,366.56/40,523.10 = 16,620.91/x
  3. Step 3: Cross multiply
    29,366.56x = 40,523.10 × 16,620.91
  4. Step 4: Simplify right side
    29,366.56x = 673,530,798.02
  5. Step 5: Solve for x
    x = 673,530,798.02/29,366.56
  6. Step 6: Final answer
    x = 22,935.30

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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.