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Finding the Fourth Proportional to 13,193.98, 19,792.98 and 4,426.84

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Solution

The fourth proportional to 13,193.98, 19,792.98 and 4,426.84 is: 6,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.98 : 19,792.98 = 4,426.84 : x
  2. Step 2: Convert to fraction form
    13,193.98/19,792.98 = 4,426.84/x
  3. Step 3: Cross multiply
    13,193.98x = 19,792.98 × 4,426.84
  4. Step 4: Simplify right side
    13,193.98x = 87,620,355.58
  5. Step 5: Solve for x
    x = 87,620,355.58/13,193.98
  6. Step 6: Final answer
    x = 6,640.93

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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.