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Finding the Fourth Proportional to 24,309.69, 36,401.43 and 20,822.07

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Solution

The fourth proportional to 24,309.69, 36,401.43 and 20,822.07 is: 31,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,309.69 : 36,401.43 = 20,822.07 : x
  2. Step 2: Convert to fraction form
    24,309.69/36,401.43 = 20,822.07/x
  3. Step 3: Cross multiply
    24,309.69x = 36,401.43 × 20,822.07
  4. Step 4: Simplify right side
    24,309.69x = 757,953,123.56
  5. Step 5: Solve for x
    x = 757,953,123.56/24,309.69
  6. Step 6: Final answer
    x = 31,179.05

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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.