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Finding the Fourth Proportional to 19,792.35, 29,661.03 and 9,251.01

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Solution

The fourth proportional to 19,792.35, 29,661.03 and 9,251.01 is: 13,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.35 : 29,661.03 = 9,251.01 : x
  2. Step 2: Convert to fraction form
    19,792.35/29,661.03 = 9,251.01/x
  3. Step 3: Cross multiply
    19,792.35x = 29,661.03 × 9,251.01
  4. Step 4: Simplify right side
    19,792.35x = 274,394,485.14
  5. Step 5: Solve for x
    x = 274,394,485.14/19,792.35
  6. Step 6: Final answer
    x = 13,863.66

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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.