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Finding the Fourth Proportional to 34,873.88, 48,125.83 and 18,958.21

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Solution

The fourth proportional to 34,873.88, 48,125.83 and 18,958.21 is: 26,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,873.88 : 48,125.83 = 18,958.21 : x
  2. Step 2: Convert to fraction form
    34,873.88/48,125.83 = 18,958.21/x
  3. Step 3: Cross multiply
    34,873.88x = 48,125.83 × 18,958.21
  4. Step 4: Simplify right side
    34,873.88x = 912,379,730.11
  5. Step 5: Solve for x
    x = 912,379,730.11/34,873.88
  6. Step 6: Final answer
    x = 26,162.27

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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.