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Finding the Fourth Proportional to 14,035.97, 19,370.21 and 7,662.99

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Solution

The fourth proportional to 14,035.97, 19,370.21 and 7,662.99 is: 10,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.97 : 19,370.21 = 7,662.99 : x
  2. Step 2: Convert to fraction form
    14,035.97/19,370.21 = 7,662.99/x
  3. Step 3: Cross multiply
    14,035.97x = 19,370.21 × 7,662.99
  4. Step 4: Simplify right side
    14,035.97x = 148,433,759.85
  5. Step 5: Solve for x
    x = 148,433,759.85/14,035.97
  6. Step 6: Final answer
    x = 10,575.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.