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Finding the Fourth Proportional to 19,367.58, 29,002.14 and 12,773.79

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Solution

The fourth proportional to 19,367.58, 29,002.14 and 12,773.79 is: 19,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.58 : 29,002.14 = 12,773.79 : x
  2. Step 2: Convert to fraction form
    19,367.58/29,002.14 = 12,773.79/x
  3. Step 3: Cross multiply
    19,367.58x = 29,002.14 × 12,773.79
  4. Step 4: Simplify right side
    19,367.58x = 370,467,245.91
  5. Step 5: Solve for x
    x = 370,467,245.91/19,367.58
  6. Step 6: Final answer
    x = 19,128.22

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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.