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Finding the Fourth Proportional to 18,303.59, 27,461.97 and 7,204.13

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Solution

The fourth proportional to 18,303.59, 27,461.97 and 7,204.13 is: 10,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.59 : 27,461.97 = 7,204.13 : x
  2. Step 2: Convert to fraction form
    18,303.59/27,461.97 = 7,204.13/x
  3. Step 3: Cross multiply
    18,303.59x = 27,461.97 × 7,204.13
  4. Step 4: Simplify right side
    18,303.59x = 197,839,601.94
  5. Step 5: Solve for x
    x = 197,839,601.94/18,303.59
  6. Step 6: Final answer
    x = 10,808.79

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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.