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Finding the Fourth Proportional to 29,671, 40,950.56 and 16,924.21

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Solution

The fourth proportional to 29,671, 40,950.56 and 16,924.21 is: 23,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671 : 40,950.56 = 16,924.21 : x
  2. Step 2: Convert to fraction form
    29,671/40,950.56 = 16,924.21/x
  3. Step 3: Cross multiply
    29,671x = 40,950.56 × 16,924.21
  4. Step 4: Simplify right side
    29,671x = 693,055,877.06
  5. Step 5: Solve for x
    x = 693,055,877.06/29,671
  6. Step 6: Final answer
    x = 23,358.02

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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.