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Finding the Fourth Proportional to 9,329.87, 13,994.81 and 2,760.66

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Solution

The fourth proportional to 9,329.87, 13,994.81 and 2,760.66 is: 4,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.87 : 13,994.81 = 2,760.66 : x
  2. Step 2: Convert to fraction form
    9,329.87/13,994.81 = 2,760.66/x
  3. Step 3: Cross multiply
    9,329.87x = 13,994.81 × 2,760.66
  4. Step 4: Simplify right side
    9,329.87x = 38,634,954.06
  5. Step 5: Solve for x
    x = 38,634,954.06/9,329.87
  6. Step 6: Final answer
    x = 4,141.00

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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.