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Finding the Fourth Proportional to 24,782.88, 37,131.12 and 20,649.44

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Solution

The fourth proportional to 24,782.88, 37,131.12 and 20,649.44 is: 30,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,782.88 : 37,131.12 = 20,649.44 : x
  2. Step 2: Convert to fraction form
    24,782.88/37,131.12 = 20,649.44/x
  3. Step 3: Cross multiply
    24,782.88x = 37,131.12 × 20,649.44
  4. Step 4: Simplify right side
    24,782.88x = 766,736,834.57
  5. Step 5: Solve for x
    x = 766,736,834.57/24,782.88
  6. Step 6: Final answer
    x = 30,938.17

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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.