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Finding the Fourth Proportional to 29,600.20, 44,421.90 and 19,736.20

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Solution

The fourth proportional to 29,600.20, 44,421.90 and 19,736.20 is: 29,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,600.20 : 44,421.90 = 19,736.20 : x
  2. Step 2: Convert to fraction form
    29,600.20/44,421.90 = 19,736.20/x
  3. Step 3: Cross multiply
    29,600.20x = 44,421.90 × 19,736.20
  4. Step 4: Simplify right side
    29,600.20x = 876,719,502.78
  5. Step 5: Solve for x
    x = 876,719,502.78/29,600.20
  6. Step 6: Final answer
    x = 29,618.70

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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.