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Finding the Fourth Proportional to 29,418.99, 44,103.68 and 12,766.48

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Solution

The fourth proportional to 29,418.99, 44,103.68 and 12,766.48 is: 19,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.99 : 44,103.68 = 12,766.48 : x
  2. Step 2: Convert to fraction form
    29,418.99/44,103.68 = 12,766.48/x
  3. Step 3: Cross multiply
    29,418.99x = 44,103.68 × 12,766.48
  4. Step 4: Simplify right side
    29,418.99x = 563,048,658.33
  5. Step 5: Solve for x
    x = 563,048,658.33/29,418.99
  6. Step 6: Final answer
    x = 19,138.95

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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.