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Finding the Fourth Proportional to 29,343.94, 40,493.91 and 16,767.88

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Solution

The fourth proportional to 29,343.94, 40,493.91 and 16,767.88 is: 23,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.94 : 40,493.91 = 16,767.88 : x
  2. Step 2: Convert to fraction form
    29,343.94/40,493.91 = 16,767.88/x
  3. Step 3: Cross multiply
    29,343.94x = 40,493.91 × 16,767.88
  4. Step 4: Simplify right side
    29,343.94x = 678,997,023.61
  5. Step 5: Solve for x
    x = 678,997,023.61/29,343.94
  6. Step 6: Final answer
    x = 23,139.26

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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.