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Finding the Fourth Proportional to 11,801.97, 17,701.44 and 3,482.87

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Solution

The fourth proportional to 11,801.97, 17,701.44 and 3,482.87 is: 5,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.97 : 17,701.44 = 3,482.87 : x
  2. Step 2: Convert to fraction form
    11,801.97/17,701.44 = 3,482.87/x
  3. Step 3: Cross multiply
    11,801.97x = 17,701.44 × 3,482.87
  4. Step 4: Simplify right side
    11,801.97x = 61,651,792.21
  5. Step 5: Solve for x
    x = 61,651,792.21/11,801.97
  6. Step 6: Final answer
    x = 5,223.85

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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.