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Finding the Fourth Proportional to 19,806.33, 29,714.33 and 6,480.09

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Solution

The fourth proportional to 19,806.33, 29,714.33 and 6,480.09 is: 9,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.33 : 29,714.33 = 6,480.09 : x
  2. Step 2: Convert to fraction form
    19,806.33/29,714.33 = 6,480.09/x
  3. Step 3: Cross multiply
    19,806.33x = 29,714.33 × 6,480.09
  4. Step 4: Simplify right side
    19,806.33x = 192,551,532.69
  5. Step 5: Solve for x
    x = 192,551,532.69/19,806.33
  6. Step 6: Final answer
    x = 9,721.72

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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.