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Finding the Fourth Proportional to 31,249.50, 46,874.25 and 9,361.50

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Solution

The fourth proportional to 31,249.50, 46,874.25 and 9,361.50 is: 14,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.50 : 46,874.25 = 9,361.50 : x
  2. Step 2: Convert to fraction form
    31,249.50/46,874.25 = 9,361.50/x
  3. Step 3: Cross multiply
    31,249.50x = 46,874.25 × 9,361.50
  4. Step 4: Simplify right side
    31,249.50x = 438,813,291.38
  5. Step 5: Solve for x
    x = 438,813,291.38/31,249.50
  6. Step 6: Final answer
    x = 14,042.25

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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.