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Finding the Fourth Proportional to 36,722.16, 50,676.90 and 19,955.16

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Solution

The fourth proportional to 36,722.16, 50,676.90 and 19,955.16 is: 27,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.16 : 50,676.90 = 19,955.16 : x
  2. Step 2: Convert to fraction form
    36,722.16/50,676.90 = 19,955.16/x
  3. Step 3: Cross multiply
    36,722.16x = 50,676.90 × 19,955.16
  4. Step 4: Simplify right side
    36,722.16x = 1,011,265,294.64
  5. Step 5: Solve for x
    x = 1,011,265,294.64/36,722.16
  6. Step 6: Final answer
    x = 27,538.29

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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.