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Finding the Fourth Proportional to 3,372.68, 4,654.05 and 1,880.67

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Solution

The fourth proportional to 3,372.68, 4,654.05 and 1,880.67 is: 2,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.68 : 4,654.05 = 1,880.67 : x
  2. Step 2: Convert to fraction form
    3,372.68/4,654.05 = 1,880.67/x
  3. Step 3: Cross multiply
    3,372.68x = 4,654.05 × 1,880.67
  4. Step 4: Simplify right side
    3,372.68x = 8,752,732.21
  5. Step 5: Solve for x
    x = 8,752,732.21/3,372.68
  6. Step 6: Final answer
    x = 2,595.19

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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.