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Finding the Fourth Proportional to 27,953.70, 41,933.28 and 10,419.42

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Solution

The fourth proportional to 27,953.70, 41,933.28 and 10,419.42 is: 15,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.70 : 41,933.28 = 10,419.42 : x
  2. Step 2: Convert to fraction form
    27,953.70/41,933.28 = 10,419.42/x
  3. Step 3: Cross multiply
    27,953.70x = 41,933.28 × 10,419.42
  4. Step 4: Simplify right side
    27,953.70x = 436,920,456.30
  5. Step 5: Solve for x
    x = 436,920,456.30/27,953.70
  6. Step 6: Final answer
    x = 15,630.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.