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Finding the Fourth Proportional to 18,235.59, 27,349.46 and 5,756.59

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Solution

The fourth proportional to 18,235.59, 27,349.46 and 5,756.59 is: 8,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.59 : 27,349.46 = 5,756.59 : x
  2. Step 2: Convert to fraction form
    18,235.59/27,349.46 = 5,756.59/x
  3. Step 3: Cross multiply
    18,235.59x = 27,349.46 × 5,756.59
  4. Step 4: Simplify right side
    18,235.59x = 157,439,739.95
  5. Step 5: Solve for x
    x = 157,439,739.95/18,235.59
  6. Step 6: Final answer
    x = 8,633.65

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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.