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Finding the Fourth Proportional to 51,227.99, 76,823.50 and 21,648.11

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Solution

The fourth proportional to 51,227.99, 76,823.50 and 21,648.11 is: 32,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.99 : 76,823.50 = 21,648.11 : x
  2. Step 2: Convert to fraction form
    51,227.99/76,823.50 = 21,648.11/x
  3. Step 3: Cross multiply
    51,227.99x = 76,823.50 × 21,648.11
  4. Step 4: Simplify right side
    51,227.99x = 1,663,083,578.59
  5. Step 5: Solve for x
    x = 1,663,083,578.59/51,227.99
  6. Step 6: Final answer
    x = 32,464.35

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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.