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Finding the Fourth Proportional to 29,428.80, 44,194.40 and 15,604.80

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Solution

The fourth proportional to 29,428.80, 44,194.40 and 15,604.80 is: 23,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.80 : 44,194.40 = 15,604.80 : x
  2. Step 2: Convert to fraction form
    29,428.80/44,194.40 = 15,604.80/x
  3. Step 3: Cross multiply
    29,428.80x = 44,194.40 × 15,604.80
  4. Step 4: Simplify right side
    29,428.80x = 689,644,773.12
  5. Step 5: Solve for x
    x = 689,644,773.12/29,428.80
  6. Step 6: Final answer
    x = 23,434.35

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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.