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Finding the Fourth Proportional to 19,597.01, 29,396.99 and 7,910.33

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Solution

The fourth proportional to 19,597.01, 29,396.99 and 7,910.33 is: 11,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.01 : 29,396.99 = 7,910.33 : x
  2. Step 2: Convert to fraction form
    19,597.01/29,396.99 = 7,910.33/x
  3. Step 3: Cross multiply
    19,597.01x = 29,396.99 × 7,910.33
  4. Step 4: Simplify right side
    19,597.01x = 232,539,764.70
  5. Step 5: Solve for x
    x = 232,539,764.70/19,597.01
  6. Step 6: Final answer
    x = 11,866.09

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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.