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Finding the Fourth Proportional to 34,908.50, 48,173.46 and 18,992.90

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Solution

The fourth proportional to 34,908.50, 48,173.46 and 18,992.90 is: 26,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,908.50 : 48,173.46 = 18,992.90 : x
  2. Step 2: Convert to fraction form
    34,908.50/48,173.46 = 18,992.90/x
  3. Step 3: Cross multiply
    34,908.50x = 48,173.46 × 18,992.90
  4. Step 4: Simplify right side
    34,908.50x = 914,953,708.43
  5. Step 5: Solve for x
    x = 914,953,708.43/34,908.50
  6. Step 6: Final answer
    x = 26,210.06

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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.