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Finding the Fourth Proportional to 29,266.84, 40,391.22 and 16,691.32

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Solution

The fourth proportional to 29,266.84, 40,391.22 and 16,691.32 is: 23,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.84 : 40,391.22 = 16,691.32 : x
  2. Step 2: Convert to fraction form
    29,266.84/40,391.22 = 16,691.32/x
  3. Step 3: Cross multiply
    29,266.84x = 40,391.22 × 16,691.32
  4. Step 4: Simplify right side
    29,266.84x = 674,182,778.21
  5. Step 5: Solve for x
    x = 674,182,778.21/29,266.84
  6. Step 6: Final answer
    x = 23,035.72

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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.