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Finding the Fourth Proportional to 36,812.01, 50,799.46 and 20,459.16

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Solution

The fourth proportional to 36,812.01, 50,799.46 and 20,459.16 is: 28,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.01 : 50,799.46 = 20,459.16 : x
  2. Step 2: Convert to fraction form
    36,812.01/50,799.46 = 20,459.16/x
  3. Step 3: Cross multiply
    36,812.01x = 50,799.46 × 20,459.16
  4. Step 4: Simplify right side
    36,812.01x = 1,039,314,228.91
  5. Step 5: Solve for x
    x = 1,039,314,228.91/36,812.01
  6. Step 6: Final answer
    x = 28,233.02

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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.