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Finding the Fourth Proportional to 29,778.63, 44,666.85 and 7,591.80

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Solution

The fourth proportional to 29,778.63, 44,666.85 and 7,591.80 is: 11,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778.63 : 44,666.85 = 7,591.80 : x
  2. Step 2: Convert to fraction form
    29,778.63/44,666.85 = 7,591.80/x
  3. Step 3: Cross multiply
    29,778.63x = 44,666.85 × 7,591.80
  4. Step 4: Simplify right side
    29,778.63x = 339,101,791.83
  5. Step 5: Solve for x
    x = 339,101,791.83/29,778.63
  6. Step 6: Final answer
    x = 11,387.42

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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.