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Finding the Fourth Proportional to 36,024.60, 54,036.90 and 18,496.20

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Solution

The fourth proportional to 36,024.60, 54,036.90 and 18,496.20 is: 27,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,024.60 : 54,036.90 = 18,496.20 : x
  2. Step 2: Convert to fraction form
    36,024.60/54,036.90 = 18,496.20/x
  3. Step 3: Cross multiply
    36,024.60x = 54,036.90 × 18,496.20
  4. Step 4: Simplify right side
    36,024.60x = 999,477,309.78
  5. Step 5: Solve for x
    x = 999,477,309.78/36,024.60
  6. Step 6: Final answer
    x = 27,744.30

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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.