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Finding the Fourth Proportional to 29,599.21, 40,847.90 and 16,171.71

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Solution

The fourth proportional to 29,599.21, 40,847.90 and 16,171.71 is: 22,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,599.21 : 40,847.90 = 16,171.71 : x
  2. Step 2: Convert to fraction form
    29,599.21/40,847.90 = 16,171.71/x
  3. Step 3: Cross multiply
    29,599.21x = 40,847.90 × 16,171.71
  4. Step 4: Simplify right side
    29,599.21x = 660,580,392.91
  5. Step 5: Solve for x
    x = 660,580,392.91/29,599.21
  6. Step 6: Final answer
    x = 22,317.50

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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.