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Finding the Fourth Proportional to 18,400.22, 27,604.93 and 7,303.24

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Solution

The fourth proportional to 18,400.22, 27,604.93 and 7,303.24 is: 10,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.22 : 27,604.93 = 7,303.24 : x
  2. Step 2: Convert to fraction form
    18,400.22/27,604.93 = 7,303.24/x
  3. Step 3: Cross multiply
    18,400.22x = 27,604.93 × 7,303.24
  4. Step 4: Simplify right side
    18,400.22x = 201,605,341.70
  5. Step 5: Solve for x
    x = 201,605,341.70/18,400.22
  6. Step 6: Final answer
    x = 10,956.68

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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.