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Finding the Fourth Proportional to 29,343.40, 40,486.08 and 17,396.80

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Solution

The fourth proportional to 29,343.40, 40,486.08 and 17,396.80 is: 24,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.40 : 40,486.08 = 17,396.80 : x
  2. Step 2: Convert to fraction form
    29,343.40/40,486.08 = 17,396.80/x
  3. Step 3: Cross multiply
    29,343.40x = 40,486.08 × 17,396.80
  4. Step 4: Simplify right side
    29,343.40x = 704,328,236.54
  5. Step 5: Solve for x
    x = 704,328,236.54/29,343.40
  6. Step 6: Final answer
    x = 24,002.95

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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.