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Finding the Fourth Proportional to 3,339.55, 5,011.07 and 1,366.64

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Solution

The fourth proportional to 3,339.55, 5,011.07 and 1,366.64 is: 2,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.55 : 5,011.07 = 1,366.64 : x
  2. Step 2: Convert to fraction form
    3,339.55/5,011.07 = 1,366.64/x
  3. Step 3: Cross multiply
    3,339.55x = 5,011.07 × 1,366.64
  4. Step 4: Simplify right side
    3,339.55x = 6,848,315.61
  5. Step 5: Solve for x
    x = 6,848,315.61/3,339.55
  6. Step 6: Final answer
    x = 2,050.67

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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.