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Finding the Fourth Proportional to 36,719.67, 50,674.05 and 21,613.11

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Solution

The fourth proportional to 36,719.67, 50,674.05 and 21,613.11 is: 29,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.67 : 50,674.05 = 21,613.11 : x
  2. Step 2: Convert to fraction form
    36,719.67/50,674.05 = 21,613.11/x
  3. Step 3: Cross multiply
    36,719.67x = 50,674.05 × 21,613.11
  4. Step 4: Simplify right side
    36,719.67x = 1,095,223,816.80
  5. Step 5: Solve for x
    x = 1,095,223,816.80/36,719.67
  6. Step 6: Final answer
    x = 29,826.62

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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.