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Finding the Fourth Proportional to 30,236.63, 45,370.29 and 13,593.29

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Solution

The fourth proportional to 30,236.63, 45,370.29 and 13,593.29 is: 20,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.63 : 45,370.29 = 13,593.29 : x
  2. Step 2: Convert to fraction form
    30,236.63/45,370.29 = 13,593.29/x
  3. Step 3: Cross multiply
    30,236.63x = 45,370.29 × 13,593.29
  4. Step 4: Simplify right side
    30,236.63x = 616,731,509.35
  5. Step 5: Solve for x
    x = 616,731,509.35/30,236.63
  6. Step 6: Final answer
    x = 20,396.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.