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Finding the Fourth Proportional to 29,511.84, 40,726.08 and 16,936.68

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Solution

The fourth proportional to 29,511.84, 40,726.08 and 16,936.68 is: 23,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.84 : 40,726.08 = 16,936.68 : x
  2. Step 2: Convert to fraction form
    29,511.84/40,726.08 = 16,936.68/x
  3. Step 3: Cross multiply
    29,511.84x = 40,726.08 × 16,936.68
  4. Step 4: Simplify right side
    29,511.84x = 689,764,584.61
  5. Step 5: Solve for x
    x = 689,764,584.61/29,511.84
  6. Step 6: Final answer
    x = 23,372.47

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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.