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Finding the Fourth Proportional to 29,771.56, 44,660.95 and 13,135.78

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Solution

The fourth proportional to 29,771.56, 44,660.95 and 13,135.78 is: 19,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,771.56 : 44,660.95 = 13,135.78 : x
  2. Step 2: Convert to fraction form
    29,771.56/44,660.95 = 13,135.78/x
  3. Step 3: Cross multiply
    29,771.56x = 44,660.95 × 13,135.78
  4. Step 4: Simplify right side
    29,771.56x = 586,656,269.30
  5. Step 5: Solve for x
    x = 586,656,269.30/29,771.56
  6. Step 6: Final answer
    x = 19,705.26

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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.