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Finding the Fourth Proportional to 18,019.53, 27,046.58 and 10,234.89

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Solution

The fourth proportional to 18,019.53, 27,046.58 and 10,234.89 is: 15,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.53 : 27,046.58 = 10,234.89 : x
  2. Step 2: Convert to fraction form
    18,019.53/27,046.58 = 10,234.89/x
  3. Step 3: Cross multiply
    18,019.53x = 27,046.58 × 10,234.89
  4. Step 4: Simplify right side
    18,019.53x = 276,818,720.00
  5. Step 5: Solve for x
    x = 276,818,720.00/18,019.53
  6. Step 6: Final answer
    x = 15,362.15

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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.