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Finding the Fourth Proportional to 18,404.67, 27,607.01 and 6,715.16

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Solution

The fourth proportional to 18,404.67, 27,607.01 and 6,715.16 is: 10,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.67 : 27,607.01 = 6,715.16 : x
  2. Step 2: Convert to fraction form
    18,404.67/27,607.01 = 6,715.16/x
  3. Step 3: Cross multiply
    18,404.67x = 27,607.01 × 6,715.16
  4. Step 4: Simplify right side
    18,404.67x = 185,385,317.66
  5. Step 5: Solve for x
    x = 185,385,317.66/18,404.67
  6. Step 6: Final answer
    x = 10,072.73

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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.