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Finding the Fourth Proportional to 3,352.76, 4,626.78 and 1,860.64

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Solution

The fourth proportional to 3,352.76, 4,626.78 and 1,860.64 is: 2,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.76 : 4,626.78 = 1,860.64 : x
  2. Step 2: Convert to fraction form
    3,352.76/4,626.78 = 1,860.64/x
  3. Step 3: Cross multiply
    3,352.76x = 4,626.78 × 1,860.64
  4. Step 4: Simplify right side
    3,352.76x = 8,608,771.94
  5. Step 5: Solve for x
    x = 8,608,771.94/3,352.76
  6. Step 6: Final answer
    x = 2,567.67

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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.