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Finding the Fourth Proportional to 36,716.79, 50,669.02 and 21,609.34

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Solution

The fourth proportional to 36,716.79, 50,669.02 and 21,609.34 is: 29,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,716.79 : 50,669.02 = 21,609.34 : x
  2. Step 2: Convert to fraction form
    36,716.79/50,669.02 = 21,609.34/x
  3. Step 3: Cross multiply
    36,716.79x = 50,669.02 × 21,609.34
  4. Step 4: Simplify right side
    36,716.79x = 1,094,924,080.65
  5. Step 5: Solve for x
    x = 1,094,924,080.65/36,716.79
  6. Step 6: Final answer
    x = 29,820.80

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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.