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Finding the Fourth Proportional to 29,780.20, 44,669.05 and 7,594.12

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Solution

The fourth proportional to 29,780.20, 44,669.05 and 7,594.12 is: 11,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780.20 : 44,669.05 = 7,594.12 : x
  2. Step 2: Convert to fraction form
    29,780.20/44,669.05 = 7,594.12/x
  3. Step 3: Cross multiply
    29,780.20x = 44,669.05 × 7,594.12
  4. Step 4: Simplify right side
    29,780.20x = 339,222,125.99
  5. Step 5: Solve for x
    x = 339,222,125.99/29,780.20
  6. Step 6: Final answer
    x = 11,390.86

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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.