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Finding the Fourth Proportional to 29,830.99, 44,649.11 and 21,931.41

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Solution

The fourth proportional to 29,830.99, 44,649.11 and 21,931.41 is: 32,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,830.99 : 44,649.11 = 21,931.41 : x
  2. Step 2: Convert to fraction form
    29,830.99/44,649.11 = 21,931.41/x
  3. Step 3: Cross multiply
    29,830.99x = 44,649.11 × 21,931.41
  4. Step 4: Simplify right side
    29,830.99x = 979,217,992.37
  5. Step 5: Solve for x
    x = 979,217,992.37/29,830.99
  6. Step 6: Final answer
    x = 32,825.53

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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.