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Finding the Fourth Proportional to 7,179.92, 10,770.54 and 3,019.15

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Solution

The fourth proportional to 7,179.92, 10,770.54 and 3,019.15 is: 4,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.92 : 10,770.54 = 3,019.15 : x
  2. Step 2: Convert to fraction form
    7,179.92/10,770.54 = 3,019.15/x
  3. Step 3: Cross multiply
    7,179.92x = 10,770.54 × 3,019.15
  4. Step 4: Simplify right side
    7,179.92x = 32,517,877.98
  5. Step 5: Solve for x
    x = 32,517,877.98/7,179.92
  6. Step 6: Final answer
    x = 4,529.00

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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.