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Finding the Fourth Proportional to 19,597.89, 29,396.41 and 4,806.88

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Solution

The fourth proportional to 19,597.89, 29,396.41 and 4,806.88 is: 7,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.89 : 29,396.41 = 4,806.88 : x
  2. Step 2: Convert to fraction form
    19,597.89/29,396.41 = 4,806.88/x
  3. Step 3: Cross multiply
    19,597.89x = 29,396.41 × 4,806.88
  4. Step 4: Simplify right side
    19,597.89x = 141,305,015.30
  5. Step 5: Solve for x
    x = 141,305,015.30/19,597.89
  6. Step 6: Final answer
    x = 7,210.22

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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.