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Finding the Fourth Proportional to 29,684.84, 40,968.87 and 17,109.68

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Solution

The fourth proportional to 29,684.84, 40,968.87 and 17,109.68 is: 23,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,684.84 : 40,968.87 = 17,109.68 : x
  2. Step 2: Convert to fraction form
    29,684.84/40,968.87 = 17,109.68/x
  3. Step 3: Cross multiply
    29,684.84x = 40,968.87 × 17,109.68
  4. Step 4: Simplify right side
    29,684.84x = 700,964,255.66
  5. Step 5: Solve for x
    x = 700,964,255.66/29,684.84
  6. Step 6: Final answer
    x = 23,613.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.