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Finding the Fourth Proportional to 29,503.52, 44,232.14 and 20,120.21

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Solution

The fourth proportional to 29,503.52, 44,232.14 and 20,120.21 is: 30,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.52 : 44,232.14 = 20,120.21 : x
  2. Step 2: Convert to fraction form
    29,503.52/44,232.14 = 20,120.21/x
  3. Step 3: Cross multiply
    29,503.52x = 44,232.14 × 20,120.21
  4. Step 4: Simplify right side
    29,503.52x = 889,959,774.69
  5. Step 5: Solve for x
    x = 889,959,774.69/29,503.52
  6. Step 6: Final answer
    x = 30,164.53

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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.