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Finding the Fourth Proportional to 29,605.19, 40,855.44 and 16,176.44

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Solution

The fourth proportional to 29,605.19, 40,855.44 and 16,176.44 is: 22,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.19 : 40,855.44 = 16,176.44 : x
  2. Step 2: Convert to fraction form
    29,605.19/40,855.44 = 16,176.44/x
  3. Step 3: Cross multiply
    29,605.19x = 40,855.44 × 16,176.44
  4. Step 4: Simplify right side
    29,605.19x = 660,895,476.49
  5. Step 5: Solve for x
    x = 660,895,476.49/29,605.19
  6. Step 6: Final answer
    x = 22,323.64

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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.