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Finding the Fourth Proportional to 29,154, 40,226.04 and 17,217.84

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Solution

The fourth proportional to 29,154, 40,226.04 and 17,217.84 is: 23,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154 : 40,226.04 = 17,217.84 : x
  2. Step 2: Convert to fraction form
    29,154/40,226.04 = 17,217.84/x
  3. Step 3: Cross multiply
    29,154x = 40,226.04 × 17,217.84
  4. Step 4: Simplify right side
    29,154x = 692,605,520.55
  5. Step 5: Solve for x
    x = 692,605,520.55/29,154
  6. Step 6: Final answer
    x = 23,756.79

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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.