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Finding the Fourth Proportional to 18,361.67, 27,476.87 and 15,904.94

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Solution

The fourth proportional to 18,361.67, 27,476.87 and 15,904.94 is: 23,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.67 : 27,476.87 = 15,904.94 : x
  2. Step 2: Convert to fraction form
    18,361.67/27,476.87 = 15,904.94/x
  3. Step 3: Cross multiply
    18,361.67x = 27,476.87 × 15,904.94
  4. Step 4: Simplify right side
    18,361.67x = 437,017,751.83
  5. Step 5: Solve for x
    x = 437,017,751.83/18,361.67
  6. Step 6: Final answer
    x = 23,800.55

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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.