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Finding the Fourth Proportional to 29,806.76, 41,130.50 and 17,867.88

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Solution

The fourth proportional to 29,806.76, 41,130.50 and 17,867.88 is: 24,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.76 : 41,130.50 = 17,867.88 : x
  2. Step 2: Convert to fraction form
    29,806.76/41,130.50 = 17,867.88/x
  3. Step 3: Cross multiply
    29,806.76x = 41,130.50 × 17,867.88
  4. Step 4: Simplify right side
    29,806.76x = 734,914,838.34
  5. Step 5: Solve for x
    x = 734,914,838.34/29,806.76
  6. Step 6: Final answer
    x = 24,655.98

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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.