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Finding the Fourth Proportional to 36,636.64, 50,559.14 and 21,531.30

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Solution

The fourth proportional to 36,636.64, 50,559.14 and 21,531.30 is: 29,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.64 : 50,559.14 = 21,531.30 : x
  2. Step 2: Convert to fraction form
    36,636.64/50,559.14 = 21,531.30/x
  3. Step 3: Cross multiply
    36,636.64x = 50,559.14 × 21,531.30
  4. Step 4: Simplify right side
    36,636.64x = 1,088,603,903.43
  5. Step 5: Solve for x
    x = 1,088,603,903.43/36,636.64
  6. Step 6: Final answer
    x = 29,713.53

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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.