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Finding the Fourth Proportional to 7,955.80, 11,933.70 and 4,059.70

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Solution

The fourth proportional to 7,955.80, 11,933.70 and 4,059.70 is: 6,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.80 : 11,933.70 = 4,059.70 : x
  2. Step 2: Convert to fraction form
    7,955.80/11,933.70 = 4,059.70/x
  3. Step 3: Cross multiply
    7,955.80x = 11,933.70 × 4,059.70
  4. Step 4: Simplify right side
    7,955.80x = 48,447,241.89
  5. Step 5: Solve for x
    x = 48,447,241.89/7,955.80
  6. Step 6: Final answer
    x = 6,089.55

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Similar ratio
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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.