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Finding the Fourth Proportional to 34,898.72, 48,162.20 and 18,982.89

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Solution

The fourth proportional to 34,898.72, 48,162.20 and 18,982.89 is: 26,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.72 : 48,162.20 = 18,982.89 : x
  2. Step 2: Convert to fraction form
    34,898.72/48,162.20 = 18,982.89/x
  3. Step 3: Cross multiply
    34,898.72x = 48,162.20 × 18,982.89
  4. Step 4: Simplify right side
    34,898.72x = 914,257,649.84
  5. Step 5: Solve for x
    x = 914,257,649.84/34,898.72
  6. Step 6: Final answer
    x = 26,197.46

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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.