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Finding the Fourth Proportional to 19,696.84, 29,550.18 and 5,845.88

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Solution

The fourth proportional to 19,696.84, 29,550.18 and 5,845.88 is: 8,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.84 : 29,550.18 = 5,845.88 : x
  2. Step 2: Convert to fraction form
    19,696.84/29,550.18 = 5,845.88/x
  3. Step 3: Cross multiply
    19,696.84x = 29,550.18 × 5,845.88
  4. Step 4: Simplify right side
    19,696.84x = 172,746,806.26
  5. Step 5: Solve for x
    x = 172,746,806.26/19,696.84
  6. Step 6: Final answer
    x = 8,770.28

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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.