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Finding the Fourth Proportional to 12,994.30, 17,932.03 and 7,025.99

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Solution

The fourth proportional to 12,994.30, 17,932.03 and 7,025.99 is: 9,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.30 : 17,932.03 = 7,025.99 : x
  2. Step 2: Convert to fraction form
    12,994.30/17,932.03 = 7,025.99/x
  3. Step 3: Cross multiply
    12,994.30x = 17,932.03 × 7,025.99
  4. Step 4: Simplify right side
    12,994.30x = 125,990,296.62
  5. Step 5: Solve for x
    x = 125,990,296.62/12,994.30
  6. Step 6: Final answer
    x = 9,695.81

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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.