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Finding the Fourth Proportional to 18,353.58, 27,530.46 and 4,502.58

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Solution

The fourth proportional to 18,353.58, 27,530.46 and 4,502.58 is: 6,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.58 : 27,530.46 = 4,502.58 : x
  2. Step 2: Convert to fraction form
    18,353.58/27,530.46 = 4,502.58/x
  3. Step 3: Cross multiply
    18,353.58x = 27,530.46 × 4,502.58
  4. Step 4: Simplify right side
    18,353.58x = 123,958,098.59
  5. Step 5: Solve for x
    x = 123,958,098.59/18,353.58
  6. Step 6: Final answer
    x = 6,753.89

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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.