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Finding the Fourth Proportional to 34,871.95, 48,121.95 and 18,956.05

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Solution

The fourth proportional to 34,871.95, 48,121.95 and 18,956.05 is: 26,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,871.95 : 48,121.95 = 18,956.05 : x
  2. Step 2: Convert to fraction form
    34,871.95/48,121.95 = 18,956.05/x
  3. Step 3: Cross multiply
    34,871.95x = 48,121.95 × 18,956.05
  4. Step 4: Simplify right side
    34,871.95x = 912,202,090.30
  5. Step 5: Solve for x
    x = 912,202,090.30/34,871.95
  6. Step 6: Final answer
    x = 26,158.62

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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.