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Finding the Fourth Proportional to 14,205.93, 21,299.18 and 7,625.49

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Solution

The fourth proportional to 14,205.93, 21,299.18 and 7,625.49 is: 11,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.93 : 21,299.18 = 7,625.49 : x
  2. Step 2: Convert to fraction form
    14,205.93/21,299.18 = 7,625.49/x
  3. Step 3: Cross multiply
    14,205.93x = 21,299.18 × 7,625.49
  4. Step 4: Simplify right side
    14,205.93x = 162,416,645.97
  5. Step 5: Solve for x
    x = 162,416,645.97/14,205.93
  6. Step 6: Final answer
    x = 11,433.02

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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.