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Finding the Fourth Proportional to 19,396.74, 29,096.99 and 7,707.34

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Solution

The fourth proportional to 19,396.74, 29,096.99 and 7,707.34 is: 11,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.74 : 29,096.99 = 7,707.34 : x
  2. Step 2: Convert to fraction form
    19,396.74/29,096.99 = 7,707.34/x
  3. Step 3: Cross multiply
    19,396.74x = 29,096.99 × 7,707.34
  4. Step 4: Simplify right side
    19,396.74x = 224,260,394.91
  5. Step 5: Solve for x
    x = 224,260,394.91/19,396.74
  6. Step 6: Final answer
    x = 11,561.76

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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.