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Finding the Fourth Proportional to 18,351.59, 27,527.40 and 4,500.59

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Solution

The fourth proportional to 18,351.59, 27,527.40 and 4,500.59 is: 6,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.59 : 27,527.40 = 4,500.59 : x
  2. Step 2: Convert to fraction form
    18,351.59/27,527.40 = 4,500.59/x
  3. Step 3: Cross multiply
    18,351.59x = 27,527.40 × 4,500.59
  4. Step 4: Simplify right side
    18,351.59x = 123,889,403.53
  5. Step 5: Solve for x
    x = 123,889,403.53/18,351.59
  6. Step 6: Final answer
    x = 6,750.88

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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.