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Finding the Fourth Proportional to 3,372.81, 4,654.53 and 1,880.82

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Solution

The fourth proportional to 3,372.81, 4,654.53 and 1,880.82 is: 2,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.81 : 4,654.53 = 1,880.82 : x
  2. Step 2: Convert to fraction form
    3,372.81/4,654.53 = 1,880.82/x
  3. Step 3: Cross multiply
    3,372.81x = 4,654.53 × 1,880.82
  4. Step 4: Simplify right side
    3,372.81x = 8,754,333.11
  5. Step 5: Solve for x
    x = 8,754,333.11/3,372.81
  6. Step 6: Final answer
    x = 2,595.56

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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.