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Finding the Fourth Proportional to 13,008.60, 17,950.84 and 7,344.73

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Solution

The fourth proportional to 13,008.60, 17,950.84 and 7,344.73 is: 10,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.60 : 17,950.84 = 7,344.73 : x
  2. Step 2: Convert to fraction form
    13,008.60/17,950.84 = 7,344.73/x
  3. Step 3: Cross multiply
    13,008.60x = 17,950.84 × 7,344.73
  4. Step 4: Simplify right side
    13,008.60x = 131,844,073.07
  5. Step 5: Solve for x
    x = 131,844,073.07/13,008.60
  6. Step 6: Final answer
    x = 10,135.15

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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.